Patients with anal running water after stool may be considered for the following reasons: i. Age factor: If the patient is a minor child or an elderly person, in this case the sphincter muscle is often not well developed or the sphincter muscle degenerates leading to anal running water after stool. Second, surgical factors: If the patient has a history of anal surgery, the anal sphincter may be damaged to a certain extent, which may lead to incomplete closure of the anus after the stool, anal running water and liquid flow. Third, the disease factor: if the patient is often accompanied by enteritis, bad stool, may also lead to anal water after the stool. The specific situation should be combined with the corresponding physical examination, it is recommended to go to a regular tertiary hospital, conduct relevant physical examination and examination, give the corresponding treatment after clear diagnosis, and routinely recommend that patients first anal function exercise, may have some improvement.