目的 分析药品集中带量采购（集采）政策下医院药品供应保障实况，提出优化政策及保障的对策建议。方法 通过提取重庆市渝北区人民医院2023年1月—2024年12月集采药品供应采购数据，描述性统计分析集采药品供应情况。结果 采购的416个中标药品中，69个在购销合同期内短缺，短缺率16.59%。短缺原因与企业生产能力、季节性需求波动相关，季节性强，以慢性病药和抗感染药为主。结论 建议建立监测平台、完善报告制度、制定应急预案、评估供货能力，保障供应。

   Objective To analyzes the current situation of hospital drug supply guarantee under the policy of centralized and volume-based procurement（hereinafter referred to as “central procurement”），and proposes optimization strategies and suggestions for the policy and guarantee．Methods By extracting the procurement data of drugs supplied through centralized procurement at Yubei District People’s Hospital in Chongqing from January 2023 to December 2024，descriptive statistical analysis of the drug supply situation through centralized procurement was conducted．Results Among the 416 selected drugs purchased，69 were in short supply during the contract period，with a shortage rate of 16.59%．The reasons for the shortage were related to the production capacity of the enterprise，seasonal demand fluctuations，strong seasonality，and mainly chronic diseases and anti-infective．Conclusions It is suggested to build a monitoring platform，improve the reporting system，formulate emergency plans，and evaluate the supply capacity to ensure supply．