Abstract:Objective：To analyze the composing characteristics of death cases for helping the relevant departments to make the health care measures and allocate reasonably the medical resources. Method：A retrospectively analyze was carried out based on the state of deaths of hospitalized patients in a hospital from 2006 to 2015. The disease classification was in view of ICD—10 standard using the software of Excel and SPSS20.0. Result：The total fatality rate was 0.98%. The mortality rate of males was significantly higher than females. The high death rate was centered on the age group above 60 years old. The most death cases were in the age group above 70 years old which accounted for72.80%. The top five causes of death were tumors（34.86%），circulatory diseases（28.07%），respiratory diseases（19.97%），digestive diseases（5.59%），injuries，poisoning and some other consequences of external causes successively（3.86%）. Conclusion：These findings suggest that improving the health of male citizens，preventing and curing senile diseases effectively，and strengthening the prevention and control of the top 5 diseases of death causes can help to reduce the mortality rate.