Objective To investigate the incidence trend, incidence order and death trend of tumors in Yuzhong district. Chongqing from 2011 to 2017, and to provide theoretical basis for the prevention and control of malignant tumors, Methods Ac cording to the International Classification of Diseases (ICD-10), the incidence of malignant tumors, standardized incidence, mortality, standardized mortality and annual percentage change (APC) were calculated and the trends of incidence and death of malignant tumors were evaluated by Excel2016 and SPSS19. 0. Results The incidence of malignant tumors in Yuzhong District of Chongqing increased from 242.02/10 to 319.94/10 from 2011 to 2017 CAPC=2.54%, P>0.05), the standardized incidence rate of cancer increased from 153.71/10 to 225.56/10(APC=3.99%,P>0.05).and the mortality rate of cancer increased from 164.42/107 to 179.47/10² in 2011-2017 (APC=1.98%,P>0.05).the standardized mortality rate increased from 95.58/10 to 116.48/10² (APC=3.14%,P>0.05). The main types of cancer included lung cancer, colorectal cancer, liver cancer, breast cancer, gastric cancer and thyroid cancer. The incidence rate of thyroid cancer in female continued to rise, with statistical significance (APC= 28.45%,P<0.05). Conclusion The incidence and mortality of cancer in Yuzhong. Chongqing tends to be stable from 2011 to 2017. Lung cancer is the most common malignant tumor, and incidence rate of thyroid carcinoma in female is constantly elevated. Therefore it should focus on the early prevention and treatment of major malignant tumors. [ABSTRACT FROM AUTHOR]