Objective To analyze the death constitution of inpatients in The Tibet Autonomous Region People's Hospital from 2014 to 2015 and to provide baseline data for further rational drug use. Methods The medical records of death inpatients between 2014 and 2015 were collected. We classified all diseases according to the international classification of diseases coding (ICD-10) and analyzed the general situation, main death discharge diagnosis and single death diseases. Distribution of inpatients frequency, constituent ratio, cumulative frequency of death diseases were calculated by EXCEL 2007 software. Results (1) A total of 40 147 patients were discharged and 339 (8.44‰) inpatients died between 2014 and 2015. The sex ratio of male to female was 2.08 to 1 for death inpatients. (2) Death constitution of four diseases' categories were over 10%, including circulatory system diseases, exogenous injury or poisoning system diseases, respiratory system diseases, and digestive system diseases. (3) Death constitution of 3 diseases' categories were between 5% to 10%, including tumor, abnormal signs and symptoms, urogenital system diseases. (4) The main death cause single diseases were cerebral hemorrhage diseases, myocardial infarction, respiratory failure, damage, pneumonia, cancer, neonatal hypoxic-ischemic encephalopathy. Conclusion The main death inpatients of the Tibet Autonomous Region People's Hospital are of the age 25 to 59, and the main death cause diseases are circulatory system diseases.