Abstract: Objective To analyze the cases of pre-hospital deaths in Longgang District of Shenzhen City for evidence in following surveillance over the death cause and disease prevention and control. Methods The data of pre-hospital death cases in Longgang District were collected from 2016 to 2020,and compared with the registered information in the National Population Death Information Registration and Management System,and Shenzhen funeral home. Then the data were analyzed for the composition and causes of pre-hospital death cases. Results A total of 3 887 pre-hospital deaths were reported from 2016 to 2020. The deaths reported monthly were relatively stable. Partial deaths were not registered in the death surveillance system in Longgang District,yet maintained in the inventory of the funeral home. Miss-reporting rate was the highest in 2017 (2. 94%),and the lowest in 2020(0. 58%). The top five causes of death stood from circulatory diseases,injuries and poisoning,unknown causes of death, tumors and respiratory diseases. In the death cases, the ratio of male to female was 2. 50 ∶ 1. Injury and poisoning were in the first order of cause of death for people under 45 years old,yet circulatory diseases the most cause of death in those aged over 45 years. Conclusion The under-reported cases of pre-hospital deaths have been improved in Longgang District. Prevention on accidental injury should be weighed in people under 45 years old,and on circulatory disease in those aged over 45 years. Medical institutions should strength the capacity of first aid,and universally spread the knowledge on first aid in population,so as to reduce mortality of pre-hospital death.

Key words: Pre-hospital death, Order of cause of death, Surveillance