Abstract:Objective To understand the death constitute of malignant tumors among urban residents of Ningbo, and to provide support for malignant tumor control in urban areas of Ningbo. Methods The death-surveillance data of malignant tumors between 2009 and 2017 in Dongsheng Street and Minglou Street, was analyzed by using descriptive statistical analysis, to unravel the rank, sex and age tendency of tumors. Results During 2009—2017, 1 402 residents died because of tumor, the mortality rate was 226.99/100 000, accounting for 35.07% of total deaths; the mortality rate of male (305.99/100 000) was significantly higher than the female (150.78/100 000), the death rate of malignant tumor remained stable. From 2009 to 2017, the age of malignant tumor death showed an increasing trend (p=0.005 7)，and there was no gender difference in the death age (t =- 0.69, p = 0.498). The top 10 were lung cancer, liver cancer, gastric cancer, colorectal cancer, pancreatic cancer, esophageal cancer, hematopoietic system malignant tumor, brain cancer, carcinoma of the urinary system and non-hodgkin's lymphoma, accounted for 82.74% of the total number of malignant tumor death. Liver cancer and stomach cancer death level were the same. There was no difference among pancreatic cancer, esophagus cancer, lung cancer keep the first 2009—2017,before 2015 the cause of the top three tumor were lung cancer, livercancer, gastric cancer, after 2016 colorectal cancer significantly increased. Conclusion Tumor was the main cause of death for urban residents in Ningbo. The prevention and treatment of tumor should be strengthened, and the monitoring of lung cancer, gastric cancer, liver cancer, bowel cancer and pancreatic cancer should be strengthened. Early tumor screening should be considered.