Abstract: Objective To identify the causes of intestinal infectious diseases in a military unit in the past 10 years. Methods The data of these diseases were acquired from a disease control and prevention center of a military command, including the epidemic cards, the first pages of medical record and investigation reports of the infectious diseases. Statistical analysis was performed after summarization of the data. Result From 1992 to 2001, 3 612 cases of intestinal infectious diseases were reported in the military unit, most of which were bacillary dysentery (32.40%), hepatitis A (26.80%), typhoid (14.34%) and infectious diarrhea (7.34%), and 40.13% of them were intestinal infectious diseases. Fifteen epidemic outbreaks were documented from 1988 to 2002, including 9 arising from water and 6 from food contamination. Conclusion Intestinal infectious diseases are seasonal and strict food and water hygiene should be maintained.