The inability to pass stool to the anus is a common clinical symptom. It may be caused by excessively dry stool or stool that is too large to pass through the anus, or by the patient’s weakness, which makes the stool unable to pass. Some patients may be caused by outlet obstruction type constipation, which usually refers to difficulty in defecation due to abnormal rectal or anal function and can be seen in women during pregnancy, elderly people or some sedentary patients. In addition, rectal or anal diseases such as visceral prolapse, rectal cancer, rectal polyps, anal fissure, hemorrhoids, etc. may also cause patients to have the symptoms of not being able to pull out the stool to the anus, so if the symptoms are more serious or accompanied by other symptoms, it is recommended to go to the regular hospital for consultation in time to clarify the cause and treat the cause. If it is caused by dry stool or too weak constitution, patients can use glycerin-based drugs such as cork, etc. to lubricate the anus, or use saline, soft soap and other substances in the hospital to soften the stool, making it easier to discharge, if the patient has habitual constipation can take lactulose to improve bowel movements. If it is caused by a disease, it is recommended to treat the primary disease first, so as to improve the symptoms of the stool has reached the anus can not be pulled out. Patients are advised to eat more vegetables, fruits or high-fiber foods, drink more warm water and avoid spicy and stimulating foods to improve the dryness of the stool and promote the discharge of stool, and also need to develop the habit of regular bowel movements to improve the symptoms of constipation.