Diarrhea anal exstrophy can be caused by internal hemorrhoidal prolapse, rectal prolapse and other diseases. 1. internal hemorrhoid prolapse: the main manifestation of mild internal hemorrhoids is blood in the stool, which will not lead to internal hemorrhoid prolapse. Severe internal hemorrhoids or diarrhea when the intra-abdominal pressure rises, can lead to internal hemorrhoids prolapse, hemorrhoids and is not easy to automatically retract or with the hand is also difficult to return to, can be manifested as anal exstrophy. 2. Rectal prolapse: diarrhea when the intra-abdominal pressure rises, can lead to rectal mucosa with rectum out of the anus during defecation, prolapse of rectal tissue blocking the anus, can lead to the emergence of anal ectopia performance. Diarrhea when the performance of anal ectropion, should be timely medical treatment, but also need to pay attention to dietary hygiene, eat more fiber-rich foods, should reduce spicy stimulating food intake, to prevent constipation and diarrhea and affect defecation.