Abstract: Objective To understand the epidemiological characteristics and changing trends of foodborne diseases in Longgang District of Shenzhen City,and to provide basis for the prevention and control of foodborne diseases. Methods The data of foodborne diseases monitored by Longgang District People's Hospital in Shenzhen from 2017 to 2021 were collected and analyzed by Excel 2010 and SPSS 26.0 software. Results From 2017 to 2021,a total of 2 168 cases of foodborne diseases were reported in the sentinel sites of Longgang District People's Hospital in Shenzhen,and the positive detection rate of specimens in 2017 was the highest（23.50%）. The ratio of male to female was 1.13∶1,with a higher number of males being positive than females. The age group of ≥21 years old had the highest number of people,accounting for 85.29%,and the detection rate of samples aged 0-<6 years old was the highest（30.93%）. The occupations with a large number were students and cadres,and the positive rate of scattered children was 32.53%. The most cases were reported in the third quarter,accounting for 32.38%,and the peak was mainly concentrated in August every year. The suspected food exposure was mainly meat and meat products,with 885 reported cases. The positive rate of street food stores was relatively high,accounting for 25.60%. 1 866 fecal or anal swabs were collected,and Salmonella was the dominant bacteria,accounting for 67.42%. Conclusion Foodborne diseases are an important public health problem,and it is necessary to strengthen active surveillance and personnel training of foodborne diseases in sentinel hospitals. Effective control measures should be proposed to effectively prevent the occurrence of foodborne diseases.

Key words: Foodborne diseases, Epidemiology, Pathogen, Sentinel hospital