No stool for several days belongs to constipation, may be functional constipation, intestinal obstruction, occupational disease, etc., can be relieved by adjusting the diet, increasing exercise, taking medication, surgical treatment, and so on. 1. Functional constipation: Eat more fruits and vegetables rich in dietary fiber and drink more water to promote stool softening. Appropriate outdoor walking, brisk walking and other sports, increase gastrointestinal peristalsis, is conducive to promoting the discharge of feces. You can take lactulose, polyethylene glycol electrolytes and other drugs to soften the feces, and you can also use corkscrew to insert into the anus to promote defecation. 2. Intestinal obstruction: constipation caused by intestinal obstruction usually manifests as abdominal distension, nausea, vomiting, etc. Intestinal adhesion laxative surgery, intestinal resection and intestinal anastomosis can be considered for treatment. 3. Occupational lesions: intestinal tumors are relatively large, resulting in constipation caused by intestinal blockage, can consider surgical resection. The cause of not having bowel movement for several days has many possibilities, so we suggest the patients to consult the doctor in time to find out the cause of the disease and follow the doctor’s instruction.