Abstract:Objective To analyze the epidemiological characteristics of hepatitis B infection in Suzhou from 2014 to 2018, It would help to provide the strategy and measures for the prevention and treatment to hepatitis B. Methods Descriptive epidemiology was used to analyze the prevalence and distribution characteristics of hepatitis B in Suzhou from 2014 to 2018. Results During the five years from 2014 to 2018, a total of 11,929 cases and 1 death of viral hepatitis B were reported in Suzhou, with an average annual morbidity of 22.44/100,000, an average annual mortality of 0.00/100,000 and an average annual case fatality of 0.01%; Cases were reported in every month of every year, and there was no obvious peak of incidence; The top three reported cases in the past five years were: Kunshan city (3344 cases), Changshu city (1 478 cases) and Gusu district (1 409 cases); The annual incidence rate in the top three areas were: Kunshan city (40.08/100,000), Gusu district (32.63/100,000) and Huqiu district (29.28/100,000); Among the reported cases, there were 8,400 males and 3,529 females, with an average annual incidence of 30.93/100,000 males and 13.55/100,000 females, with a gender ratio of 2.28:1, The patients were mainly aged 20～65 years, accounting for 90.03% of the total number reported; The population was mainly composed of farmers, household workers and unemployed people, commercial services and workers. Conclusion At the present stage, hepatitis B still accounts for the majority of Viral hepatitis, with a higher incidence of male than female, mainly among young and middle-aged people. Urban areas with large floating population and rural areas with relatively backward culture should pay equal attention to the prevention and control of hepatitis B.