Hepatitis A outbreaks in Ciamis District has occurred several times, one of them has occurred in X Islamic Boarding School in 2012. This research aimed to analyze environment health condition dan personal hygiene with incident of hepatitis A among students in X Islamic Boarding School Ciamis District. The research used case control with 40 cases and 80 controls, total 120 subjects. The research population are students of tsanawiah madrassa and aliyah public madrassa who stayed at Islamic boarding school. The case data was secondary data gained from Ciamis District Surveilance Team, with the examination result was serologically positive. Meanwhile, the control was based on no clinical symptoms found. The data of environment health condition and personal hygiene was gained directly from the observation and interview by questionnaire. The Chi-Square test analysis showed that age, drinking habit, food sharing habit, utensil exchanging, and snack habit were the variables which related to hepatitis A incidence. The logistic regression analysis test gained of three variables which related to hepatitis A incidents, they are food sharing habit (OR = 21.48), utensil exchanging habit (OR = 6.15), and immunization status as prevention factor (OR = 0.056). The risk of respondents who did not had hepatitis A immunization and had utensil exchanging habit and food sharing was 3,36 times for hepatitis A infection.