Objective To identify the cause of the outbreak of 1 Hepatitis E,targeted prevention and control measures are put forward to prevent the spread of the spread of the epidemic. Methods The uniform questionnaire to all cases of case investigation,using descriptive epidemiological methods to analyze the distribution of the cases,adopt the method of retrospective cohort study and explore the risk factors of the outbreak. Results17 people were reported cases,male 11 cases,female 6 cases,the ratio of male and fema...