肠粘膜的分泌与吸收障碍、肠蠕动过快,致排便频率增加,粪稀薄,含有异常成分者称为腹泻.如腹泻超过2个月时称为慢性腹泻.笔者根据临床实践,将慢性腹泻的诊断要点略述如下.一、细菌感染 Intestinal mucosa secretion and absorption disorders, bowel movements too fast, resulting in increased frequency of defecation, thin stools, with abnormal ingredients are called diarrhea .If diarrhea more than 2 months when called chronic diarrhea .I according to clinical practice, chronic diarrhea The main points of diagnosis are as follows: First, bacterial infection