Objective The aims of study were to explore the situation of all patients with cancer in Guangzhou First People's Hospital from 2008 to 2019, to find the incidence trends and hazards of different types of tumors, and to provide evidence for developing preventive measures. Methods According to the data of the Guangzhou tumor case report system, a retrospective statistical analysis was performed on the basic situation, tumor location and follow-up of 23 778 tumor cases in Guangzhou First People's Hospital from 2008 to 2019. Results The top three tumors in 2008—2019 were colorectal cancer, lung cancer and liver cancer. The tumor types under 30 years old were leukemia, the tumor types in the 30-60 age group were colorectal cancer, and the tumor types above 60 years old were mainly lung cancer. The prognosis for patients with thyroid cancer was the best, and the prognosis for patients with pancreatic cancer was the worst. The effect of the operation group was the best. Conclusion Rational optimization of resources for screening key tumors could reduce tumor incidence and improve the quality of life of cancer cases in Guangzhou area.