本文对旅行者腹泻的病因 ,预防和治疗进行探讨 ,现报告如下。1　病因及预防1.1　旅行者腹泻比例青年人比年长者要高。可能由于年轻人缺少获得性免疫。游览方式较为冒险和不同饮食习惯 ,旅行者腹泻发生的比例在男性同女性之间是相似的。腹泻的腹痛常发生在第 1星期 ,也可发生在 This article on the causes of travelers diarrhea, prevention and treatment are discussed, are as follows. 1 etiology and prevention 1.1 The proportion of travelers diarrhea Young people are higher than the elderly. May be due to lack of acquired immunity in young people. Excursions are more adventurous and different eating habits, and travelers’ diarrhea rates are similar between men and women. Diarrhea, abdominal pain often occurs in the first week, can also occur