目的 评价新型穿戴式气压治疗仪预防深静脉血栓的临床疗效及安全性。方法 将156例脑梗死患者随机分为对照组和试验组，各78例。试验组使用新型穿戴式气压治疗仪（邦普医疗/VW100）进行气压治疗。对照组使用韩国元金压力治疗仪进行气压治疗。两组疗程均为10 d，观察临床疗效及安全性，比较两组深静脉血栓形成率、医护人员和患者的使用满意度。结果 治疗10 d后，试验组与对照组深静脉血栓未发生率差值为1.2%，相应的95%置信区间为–5.3%～7.9%，下限高于–10%，医护人员和患者对试验组的评价优于对照组（P＜0.001）。结论 新型穿戴式气压治疗仪预防深静脉血栓形成的临床疗效不劣于市面上已有的气压治疗仪，治疗过程中未见明显不良反应，临床使用安全有效。
Objective To evaluate the effectiveness and safety of new wearable pneumatic compression pump in preventing deep vein thrombosis．Methods One hundred and fifty-six patients with cerebral infarction were randomly divided into control and study group with 78 cases in each group．Study group was treated with the new wearable pneumatic compression pump（Bangpu Medical / VW100）．Control group was treated with pneumatic compression pump（Wonjin-POWER）．The course of both groups was 10 days，comparing the deep vein thrombosis rate and useage satisfaction of patients and staffs between the two groups．Results After 10 days of treatment，the difference between the incidence of deep venous thrombosis in the study and control group was 1.2%．The corresponding 95% confidence interval was（-5.3%，7.9%），and the lower limit was greater than -10%．The appraisal from medical staffs and the patients of study group was better than that of the control group（P＜0.001）．Conclusions The clinical effect of the new wearable pneumatic compression pump to prevent deep vein thrombosis is not inferior to the existing pneumatic compression pump，which clinical practice experience is better．There is no obvious adverse reactions in the treatment process，and the clinical practice is also safe and effective．
目的 分析广州番禺地区鹦鹉热衣原体肺炎患者临床表现、实验室及胸部CT特征、并发症以及治疗方案，为其临床诊治提供参考。方法 回顾性分析2022年1月—2024年7月在广州市番禺区何贤纪念医院通过二代测序技术确诊的10例鹦鹉热感染患者的临床资料。结果 5例（5/10）患者有明确的鸟类或禽类接触史，8例（8/10）患者以发热为首发症状，发热（10/10）、咳嗽、咳痰（10/10）、呼吸困难（7/10）、相对缓脉（8/10）是主要临床表现。患者白细胞计数通常正常或轻微升高；多数患者存在有不同程度的电解质紊乱（10/10）及肝功能损伤（8/10）、乳酸脱氢酶升高（8/10），白蛋白显著降低（8/10）和C反应蛋白显著升高（10/10）。最常见的胸部CT异常为多肺叶受累的斑片状或片状实变，而重症患者多合并双侧胸腔积液。大多数患者经四环素或喹诺酮类单用，或者四环素联用β-内酰胺类抗菌药物治疗，预后良好。结论 有鸟类或禽类接触史、以发热为首发或主要症状、存在相对缓脉、白细胞计数升高不明显等临床特征可有助于区分鹦鹉热衣原体肺炎与其他传统细菌性肺炎，但这并不能确诊。二代测序技术是确诊鹦鹉热衣原体感染的很好方法，可以缩短诊断延误时间并改善患者预后。
Objective To describe the clinical，laboratory and chest CT characteristics as well as the complications and treatments of Chlamydia psittaci pneumonia patients in Panyu district of Guangzhou，to provide reference for clinical diagnosis and treatment．Methods A retrospective study was conducted on the clinical characteristics of Chlamydia psittaci pneumonia patients who were diagnosed by next-generation sequencing in Panyu Hexian Memorial Hospital of Guangzhou form January 2022 to July 2024．Results Half patients had a definite history of bird or poultry exposure．Fever（100%），cough，sputum（100%），dyspnea（70%），relative bradycardia（80%）were the main clinical presentation．The total white cell counts were usually normal or slightly increased．Most patients had electrolyte disturbance（100%），liver function impairment（80%），lactic dehydrogenase increased（80%），albumin decreased（80%）and C reactive protein increased remarkably（100%）．The most common chest CT abnormality was patchy or flaky hyper densities and consolidation，bilateral pleural effusion was common in severe patients．All patient exhibited good recovery after being treated with tetracycline or quinolone alone，or tetracycline in combination with other antibiotics．Conclusions These characteristics may help distinguish Chlamydia psittaci pneumonia from other traditional bacterial pneumonia，but they are not definitive．Next-generation sequencing may be a promising approach to confirm Chlamydia psittaciinfection，which can shorten the diagnostic delay time and improve the prognosis of patients．
为规范广州地区“港澳药械通”伦理审查工作，满足临床用药用械需求，保障患者用药用械安全，广州市医学会医学伦理分会、广州市医院协会“港澳药械通”工作专业委员会组织行业专家，结合相关政策法规要求与本地实践经验，广泛征求专家意见，经多次讨论，形成《广州地区“港澳药械通”伦理审查共识》。共识涵盖适用范围、术语和定义、伦理审查的原则、伦理审查的类别、伦理审查的流程、伦理审查的方式及多医疗机构申请的伦理审查等方面。共识旨在为广州地区“港澳药械通”指定医疗机构的伦理审查工作提供指导，统一审查标准，提高审查效率与质量，切实保护患者的合法权益，促进临床急需进口港澳药械的安全合理使用，从而促进粤港澳大湾区医疗健康事业发展。
To standardize the ethical review process of the “Hong Kong and Macao Drugs and Medical Devices Access” in Guangzhou，meet the clinical demand for drugs and medical devices，and ensure the safety of patients’ use of drugs and medical devices，the Medical Ethics Branch of Guangzhou Medical Association and the “Hong Kong and Macao Drugs and Medical Devices Access” Professional Committee of Guangzhou Hospital Association organized industry experts，combined with relevant policy and regulatory requirements and local practical experience，widely solicited expert opinions，the “Consensus on Ethical Review of Drugs and Medical Devices for Hong Kong and Macao in Guangzhou” were formed after several discussions．The consensus content covers aspects such as the scope of application，terms and definitions，principles of ethical review，categories of ethical review，procedures of ethical review，methods of ethical review，and Ethical Review for Multi-institutional Applications．The consensus aims to provide guidance for the ethical review work of designated medical institutions for the “Hong Kong and Macao Drugs and Medical Devices Access” in the Guangzhou area，unify the review standards，improve the efficiency and quality of the review，effectively protect the legitimate rights and interests of patients，promote the safe and rational use of clinically urgently imported medicines and medical devices Hong Kong Macao，and thereby promote the development of medical and health care in the Guangdong-Hong Kong-Macao Greater Bay Area．
目的 优化纸质版脊髓损伤神经功能评估系统, 探讨其在脊柱脊髓损伤患者临床管理中的实际应用效果。方法 广泛检索国内外关于脊柱脊髓损伤患者神经运动功能评估的文献, 结合课题组成员的临床经验, 初步筛选出神经运动功能评估的关键项目。通过两轮德尔菲专家函询, 确定评估项目内容, 对纸质版脊髓损伤神经功能评估系统进行优化, 并进行临床应用验证。选取2021年8月1日—2023年5月31日在广州市第一人民医院脊柱外科住院的120例脊柱脊髓疾病患者作为研究对象, 随机分为观察组和对照组。对比两组在应用优化前后评估系统的神经功能评估准确性、评估所需时间以及临床应用便捷性等方面的差异。结果 观察组的评估准确性显著高于对照组,错评率由20.3%降至4.7%,漏评率由32.0%降至5.0%; 此外,优化后的评估系统显著缩短了评估时间,平均减少6.0 min, 有效提升了评估效率。结论 优化后的脊髓损伤神经功能评估系统显著提高了评估的准确性和效率, 有效减少了主观误差。
Objective To refine and optimize the paper-based assessment tool for evaluating neurological function in spinal cord injury patients, and to explore its impact on clinical practice．Methods A comprehensive review of existing literature on neuromotor function assessment in spinal cord injury patients was conducted, complemented by discussions among members of this study．This led to the integration of a preliminary evaluation framework．Subsequently, a two-round Delphi consensus process involving experts was undertaken to finalize the content of the assessment project．Based on this, a paper-based evaluation system was developed and converted into an electronic format by computer professionals．This system was then tested in a clinical setting, where it was administered to 120 spinal cord injury patients at the Spine Surgery Department of Guangzhou First People’s Hospital between 1 August 2021 and 31 May 2023．Patients were randomly assigned to either an experimental group or a control group, allowing for a comparison of accuracy, efficiency, and convenience in clinical application．Results The experimental group demonstrated a notable improvement in assessment accuracy over the control group, with a significant reduction in error rate from 20.3% to 4.7% and a decrease in omission rate from 32.0% to 5.0%．Furthermore, the average assessment time was shortened by 6.0 minutes, markedly enhancing the efficiency of the evaluation process．Conclusions The optimized neurological function assessment system for spinal cord injury patients has proven effective in enhancing both the accuracy and efficiency of assessments, while significantly minimizing subjective errors．This system holds considerable potential for widespread clinical adoption and application．
目的 基于Donabedian环节模型构建急诊脑出血患者护理质量评价体系, 并应用于临床,为急诊脑出血患者护理质量管理、监测与评价提供客观、科学的参考依据。方法 通过文献查阅、筛查与评价, 提取可行性资料, 基于Donabedian环节模型构建急诊脑出血患者护理质量评价体系的框架, 并采用德尔菲法完成两轮专家函询,确定最终的指标体系。选择2021年1月—2024年1月本院收治的230例急诊脑出血患者为研究对象, 将2021年1月—2022年6月作为干预前监测节点,该阶段的165例患者为传统组, 实施常规的护理质量管理;将2022年7月—2024年1月作为干预后监测节点,该阶段的165例患者为观察组, 实施以急诊脑出血患者护理质量评价指标进行护理质量监测管理。结果 两轮函询中专家积极系数分别为95%和100%, 意见提出率分别为56.25%和35.54%; 两轮函询专家权威系数为0.945、0.893; 第1轮函询中各项指标变异系数（CV）均值为0~0.136, Kendall’s W协调系数为0.065; 第2轮函询中变异系数（CV）均值为0~0.110, Kendall’s W协调系数为0.186。最终形成的急诊脑出血患者护理质量评价体系共涵盖一级指标3个、二级指标11个、三级指标55个。观察组入院-用药时间合格率、吞咽障碍患者动态评估率、气道管理合格率、早期被动/主动活动落实率高于传统组,差异具有统计学意义（χ2=14.850、12.261、8.183、37.420, P<0.05）, 观察组患者满意度明显高于传统组（χ2=14.049, P<0.001）。结论 本研究构建的急诊脑出血患者护理质量评价体系具有一定的科学性、可靠性和实用性, 可作为临床实现护理质量持续改进的重要评价工具。
Objective Based on the Donabedian model,the nursing quality evaluation system of emergency cerebral hemorrhage patients was constructed, and applied to clinical practice, providing an objective and scientific reference basis for realizing the nursing quality management, monitoring and evaluation of emergency cerebral hemorrhage patients．Methods Through literature review, screening and evaluation, the feasibility data was extracted, and the framework of the nursing quality evaluation system for patients with emergency cerebral hemorrhage was constructed based on the Donabedian model, and the Delphi method was adopted to complete two rounds of expert letter inquiry to determine the final index system．The study selected 230 patients with acute cerebral hemorrhage admitted to our hospital from January 2021 to January 2024 as the research subjects．The period from January 2021 to June 2022 was used as the pre-intervention monitoring period, during which 165 patients were in the traditional group, receiving routine nursing quality management．The period from July 2022 to January 2024 was used as the post-intervention monitoring period, during which 165 patients were in the observation group,implementing nursing quality monitoring and management based on evaluation indicators for the care of patients with acute cerebral hemorrhage．Results In the two rounds of letter inquiry, the positive coefficient of experts was 95% and 100%, respectively, and the rate of suggestions was 56.25% and 35.54%, respectively; the authority coefficient of experts in the two rounds of letter inquiry was 0.945 and 0.893．In the first round the mean value of coefficient of variation（CV）of each index was 0~0.136, and the coordination coefficient of Kendall’s W was 0.065; in the second round the mean value of variation coefficient（CV）was 0-0.110, and the coordination coefficient of Kendall's W was 0.186．The final nursing quality evaluation system for emergency cerebral hemorrhage patients covers 11 first-level indicators, 11 second-level indicators and 55 third-level indicators．The results showed that the pass rate of admission-medication time, dynamic assessment rate of dysphagia patients, airway management rate, and early passive / active activity implementation rate of the observation group were statistically significant different from those in the traditional group（χ2=14.850,12.261, 8.183, 37.420, P<0.05）, and the patient satisfaction in the observation group was significantly higher than that in the traditional group（χ2=14.049, P<0.001）．Conclusions The nursing quality evaluation system for emergency cerebral hemorrhage patients constructed in this study is scientific,reliable and practical, and can be used as an important evaluation tool to achieve continuous improvement of nursing quality in clinical practice．
背景 虚拟标准化患者作为医学教育中的新型教学工具, 已广泛用于提升学生的临床问诊能力。随着生成式人工智能的快速发展, 基于大语言模型（LLMs）构建的VSP系统成为研究热点。然而, 目前尚缺乏对不同LLM在模拟患者角色方面表现的系统比较。目的 比较ChatGPT-4o与DeepSeek两种主流LLM在VSP模拟中的适用性, 评估其在病史采集、语言自然度、线索引导能力及教学辅助效果等方面的表现差异。方法 采用类实验研究,参与者为某医学院校临床医学专业本科四年级学生, 所有参与者均已修完《诊断学》课程, 具备基础问诊技能, 研究对象共60人, 按学号尾数单双分为两组, 分别与ChatGPT-4o或DeepSeek驱动的VSP系统进行交互。进行模拟急性阑尾炎问诊, 并在完成病史采集后提交诊断判断与体验问卷。结果 ChatGPT-4o在结构化信息整合、线索引导及技术稳定性方面更为优越, 而DeepSeek则在语言亲和力与情感回应方面表现更具人文关怀色彩。结论 不同LLM在VSP中的优势方向不同, 可根据教学目标进行有针对性地系统选择与设计。未来研究可进一步拓展至不同病种、交互方式及评估维度,以全面评估LLM驱动VSP在医学教育场景下的适应性与教学成效。
Background Virtual standardized patients（VSPs）have emerged as a novel tool in medical education, widely adopted to enhance students’ clinical interview skills．With the rapid development of generative artificial intelligence, VSP systems powered by large language models（LLMs）have become a new focus of research．However, few studies have systematically compared the performance of different LLMs in simulating patient roles．Objective This study aims to compare the applicability of two mainstream LLMs, ChatGPT-4o and DeepSeek, in VSP-based medical interview simulations, focusing on their differences in history-taking performance,linguistic naturalness, clue guidance,and educational support．Methods A quasi-experimental study was conducted involving 60 fourth-year clinical medicine undergraduates from a medical school．All participants had completed a diagnostics course and possessed basic interviewing skills．Students were assigned to either the ChatGPT-4o or DeepSeek group based on the parity of their student ID numbers．Each participant conducted a text-based simulated interview with a VSP presenting with acute appendicitis, then submitted both a preliminary diagnosis and a structured satisfaction questionnaire．Results ChatGPT-4o demonstrated superior performance in structured information integration, clue-based prompting, and system stability．In contrast, DeepSeek showed more natural language affinity and emotional responsiveness,reflecting stronger humanistic communication traits．The two models displayed divergent strengths within the VSP framework, suggesting that system selection and integration should be tailored to specific teaching objectives．Conclusions Future research should expand the scope to include diverse disease scenarios, interaction modalities, and evaluation dimensions, to comprehensively assess the educational utility and adaptability of LLM-driven VSP systems in medical training．
医联体是分级诊疗制度建设的重要抓手,对“健康中国”战略目标的实现具有重要作用。在当前医疗改革背景下,探究医联体建设模式具有重要意义。文章介绍了广州市属A医院和区属B医院探索的非托管紧密型医联体实践举措、成效、创新与不足,总结了该模式对我国医联体建设的启示：一是政府层面要做好顶层设计,给与政策支持;二是网顶医院要下沉优质资源,因地制宜帮扶;三是成员单位要主动参与建设,抓住发展机遇。
The establishment of medical unions is a crucial step in the development of a hierarchical diagnosis and treatment system and plays a significant role in achieving the strategic goal of “Healthy China．”Given the current context of healthcare reform,it is highly important to explore effective models for constructing medical unions．This paper introduces the practical measures taken by Guangzhou Hospital A and Hospital B to establish a non-trustee-close medical commonwealth．It discusses the effects achieved as well as innovations made through this approach while also highlighting its limitations．Furthermore,this study summarizes key insights that can be drawn from this model for building medical commonwealths in China：firstly,governments should focus on top-level design and provide policy support;secondly,leading hospitals should allocate high-quality resources based on local conditions;thirdly,member units should actively participate in construction efforts and seize development opportunities．
目的 分析“侧俯卧位”MRI引导腰脊神经后根神经节脉冲射频治疗腰椎间盘突出症的手术体位护理效果。方法 对2018年9月—2020年12月在广州市荔湾中心医院住院接受经MRI引导腰脊神经后根神经节脉冲射频的腰椎间盘突出症患者62例随机分为两组：侧俯卧位组和俯卧位组,每组各31例。侧俯卧位组采用患侧抬高约30 °的侧俯卧位手术,俯卧位组采用标准俯卧位手术。记录两组手术时间、手术并发症、手术体位相关并发症及术者对术野显露的满意度评价。结果 所有患者均顺利完成手术,未见出血、感染、下肢麻痹加重神经损伤、脏器损伤等手术并发症,无患者发生眼压增高、臂丛损伤、压疮等体位相关并发症。侧俯卧位组手术时间（60.65±12.45）min,俯卧位组手术时间（70.58±10.25） min,组间比较差异有统计学意义（t=3.429,P=0.001）。术者对侧俯卧位组和俯卧位组术野侧显露总满意度分别为93.55%和77.42%,组间比较差异有统计学意义（χ2=4.292,P=0.038）。结论 侧俯卧位MRI引导腰脊神经后根神经节脉冲射频治疗腰椎间盘突出症安全、有效,做好手术体位护理可有效防止并发症。
Objective To analyze the effect of surgical position nursing for radiofrequency ablation in posterior root ganglion in lumbar spinal nerve guided by MRI in lateral prone position．Methods Sixty-two patients with lumbar disc herniation hospitalized in Liwan Central Hospital of Guangzhou from September 2018 to December 2020 were randomly divided into two groups（the lateral prone position group and the prone position group,31 patients in each group）．The lateral prone position group used the lateral prone position with about 30 degrees elevation of the affected side,and the prone position group used the standard prone position for operation．Operating time,surgical complications,surgical position related complications,and operator satisfaction evaluation of surgical field exposure were recorded in both groups．Results All patients completed the operation successfully．No surgical complications such as bleeding,infection,lower limb paralysis,aggravated nerve injury or organ injury were found in the two groups．No surgical position related complications such as intraocular pressure raising,brachial plexus injury or pressure ulcers in both the groups either．The operation time was（60.65±12.45）min in the lateral prone position group and（70.58±10.25）min in the standard prone position group,respectively,and the difference was statistically significant（t=3.429,P=0.001）．The surgeon’s satisfaction evaluation of the surgical field exposure was much higher in the lateral prone position group（93.55%）compared with the standard prone position group（77.42%）,and the difference was statistically significant（χ2=4.29,P=0.038）．Conclusions Radiofrequency ablation in posterior root ganglion of lumbar spinal nerve guided by MRI in lateral prone position is safe and effective．Good surgical position nursing can effectively prevent complications．
目的 探讨与分析全面护理联合细节干预在创伤骨科手术质量及康复中应用价值。方法 选择2022年1月—2023年1月在福建省立医院骨科进行创伤骨科手术患者120例为研究对象,用随机数字表法分组,分为常规组、联合组,各纳入60例患者。前者进行常规护理,后者在前者基础上开展全面护理联合细节干预,对两组患者术后恢复情况进行观察比较。结果 在围术期指标方面,联合组手术时间、术中出血量、术后首次下床活动时间、术后住院时间与常规组相比减少（P<0.05）。联合组术后1 d、术后3 d、术后7 d、术后14 d的疼痛VAS评分与常规组相比减少（P<0.05）。联合组术后14 d的护理总满意度为100.00%,常规组为83.33%,联合组与常规组相比明显提高（P<0.05）。联合组术后14 d的社会关系、心理关系、生理关系等生活质量评分均高于常规组（P<0.05）。结论 全面护理联合细节干预在创伤骨科手术患者的应用促进患者康复,能持续缓解患者的疼痛状况,提高患者的护理满意度与生活质量。
Objective To explore and analyze the application value of comprehensive nursing combined with detailed intervention in the quality and rehabilitation of orthopedic trauma surgery．Methods From January 2022 to January 2023,120 cases of patients who underwent trauma orthopedic surgery in the Department of Orthopedic Surgery of Fujian Provincial Hospital were selected as the research subjects．And the randomized numerical table method was taken to operate in groups,which were divided into the conventional group and the combined group,and 60 patients were included in each group．The former group recieved conventional nursing care,and the latter group recieved comprehensive nursing care combined with detail intervention on its basis to observe and compare the postoperative recovery of patients in the two groups．Results In terms of perioperative indicators,the operation time,intraoperative bleeding,time to first postoperative bed movement and postoperative hospitalization time were significantly reduced in the combined group compared with the conventional group（P<0.05）．The pain VAS scores of the combination group were significantly reduced compared to the conventional group at 1 day,3 days,7 days and 14 days after surgery（P<0.05）．The total satisfaction rate of postoperative care in the combination group at 14 days was 100.00%,while in the conventional group it was 83.33%．The combination group showed there were significant improvements compared to the conventional group（P<0.05）．The social,psychological and physiological quality of life scores of the combination group were significantly higher than those of the conventional group 14 days after surgery（P<0.05）．Conclusions The application of comprehensive nursing combined with detailed intervention in orthopedic trauma surgery patients can promote their recovery,continuously alleviate their pain status and improve their nursing satisfaction and quality of life．
目的 探讨广州市越秀区青少年近视特点和危险因素,为降低青少年近视发病率提供参考依据。方法 本项目采用分层随机整群抽样的研究方法,抽取分布于广州市越秀区2 774名青少年作为研究对象,根据近视检查情况将其分为近视组（n=1 657）与非近视组（n=1 117）,通过问卷调查的方式,分析青少年近视整体现况、流行病学特征以及影响青少年近视发生、发展的相关行为和因素。结果 2 774名青少年中,1 657名近视,检出率为59.73%;其中女生为872名,多于男生的785名;幼儿园、小学生、初中生、高中生近视人数分别为20名、446名、484名、707名,呈升高趋势。学段、校内用眼环境、校外用眼环境、读写姿势、电子屏幕使用情况、近距离用眼情况、户外活动及睡眠情况、近视检查及矫治情况是广州市越秀区青少年近视的影响因素（P<0.05）。广州市越秀区青少年近视程度均与学段、校外用眼环境、电子屏幕使用情况、户外活动及睡眠情况、近距离用眼情况呈正相关（P<0.05）,与校内用眼环境、读写姿势、近视检查及矫治情况呈负相关（P<0.05）。对不同预后组间存在统计学差异的因素进行Logistic多因素分析后得到,学段、校内用眼环境、校外用眼环境、读写姿势、电子屏幕使用情况、近距离用眼情况、户外活动及睡眠情况、近视检查及矫治情况是广州市越秀区青少年近视的相关影响因素（P<0.05）。结论 广州市越秀区青少年近视发生人群呈现高龄化,学段、校内用眼环境、校外用眼环境、读写姿势、电子屏幕使用情况、近距离用眼情况、户外活动及睡眠情况、近视检查及矫治情况是青少年近视的相关影响因素,建议加强组织学生到户外进行多种课间户外体育活动,同时鼓励家长在校外从自身做起,树立爱眼护眼好榜样,与学校共同保护孩子的视力。
Objective To explore the characteristics and risk factors of myopia among adolescents in Yuexiu District,Guangzhou,and to provide reference for reducing the incidence of myopia among adolescents．Methods This project adopted stratified random cluster sampling to select 2 774 adolescents distributed in Yuexu District,Guangzhou as the research objects,which were divided into myopia group（n=1 657）and non-myopia group（n=1 117）according to the myopic examination．Through questionnaire survey,the overall situation and epidemiological characteristics of myopia among adolescents in our district were comprehensively known,in order to explore the related behaviors and factors affecting the occurrence and development of myopia among adolescents in our district,explore reasonable intervention measures,and put forward scientific and effective myopia prevention and control technical means and strategies．Results Among 2 774 adolescents,1 657 were nearsighted（59.73%）．Among them,872 were female and 785 were male．The number of myopia in kindergarten,primary school,middle school and high school students were 20,446,484 and 707 respectively,showing an increasing trend．School period,eyes use environment in school and outside school,reading and writing posture,situations of electronic screen use,close distance eye use,outdoor activities and sleep,myopia examination and correction were the relevant influencing factors on myopia of adolescents in Yuexui District of Guangzhou（P<0.05）．The myopia degree of adolescents in Yuexiu District of Guangzhou was positively correlated with school period,out-of-school eyes use environment,electronic screen use,outdoor activities and sleep conditions,and close distance eyes use（P<0.05）,and negatively correlated with in-school eyes use environment,reading and writing posture,myopia examination and correction conditions（P<0.05）．After Logistic multivariate analysis of the factors with statistical difference between different prognostic groups,school period,eyes use environment in school and outside school,reading and writing posture,electronic screen use,close distance eyes use,outdoor activities and sleep conditions,myopia examination and correction were the relevant influencing factors on myopia of adolescents in Yuexui District of Guangzhou（P<0.05）．Conclusions In Yuexiu District,Guangzhou,the population with myopia is gradually moving to a younger age．School period,eyes use environment in school and outside school,reading and writing posture,electronic screen use,close distance eyes use,outdoor activities and sleep condition,myopia examination and correction are the relevant influencing factors．It is recommended to strengthen the organization of students to go outdoors for a variety of outdoor sports activities between classes,while encouraging parents to set a good example of eye care outside the school and work with the school to protect their children’s eyesight．
