本文对重庆市九龙坡区十七个医院的住院死亡病例进行了统计与分析。结果表明：住院患者共23317例，死亡632例，住院病死率为2．7％。主要死因为：肿瘤、呼吸系统疾病、心脏病、脑血管病、消化系统疾病、意外伤害。值得注意的是：占死因首位的恶性肿瘤中（按死因构成比排列），以肺癌、肝癌、胃癌、食管癌、胆囊．胆管癌位居前五位。 In this paper, the in-hospital deaths in 17 hospitals in Jiulongpo District of Chongqing City were analyzed and analyzed. The results showed that there were 23317 inpatients, 632 deaths, and a hospital mortality rate of 2.7%. The main causes of death: cancer, respiratory diseases, heart disease, cerebrovascular disease, digestive diseases, and accidental injuries. It is worth noting that: in malignant tumors that account for the first cause of death (arranged according to the cause of death), lung cancer, liver cancer, gastric cancer, esophageal cancer, gallbladder. Bile duct cancer is among the top five.