“…And the contents of this questionnaire include ve aspects: (1)Basic information: Gender, age, height, weight, educational background, military services, military service time, status, smoking, diet habits, family history of digestive diseases and use history of NSAIDs(aspirin, clopidogrel, ibuprofen,etc. ); (2)Training and education: the daily military training time, education on digestive disease prevention knowledge; (3)digestive diseases: acute gastroenteritis, digestive ulcer, gastrointestinal bleeding, in ammatory bowel disease, functional bowel disease, gastroesophageal re ux disease, pancreatitis, abnormal liver function nausea;(4)Related symptoms: vomiting, abdominal distension, diarrhea, abdominal pain, constipation, poor appetite, acid re ux;(5)Treatment: medical institutions, examination items, treatment effect, etc.…”