If the lower abdomen is distended and painful and you want to have a bowel movement, you can try to have a bowel movement by applying heat to the abdomen or by applying a corking solution. If you still can not defecate, or the frequent occurrence of the symptom, consider the constipation or intestinal obstruction, patients can be the cause of the cause and symptomatic treatment.　　1, constipation: due to disease, diet, mental, environmental and other factors, resulting in prolonged retention of stool in the intestine, stool water is absorbed, dry, hard, resulting in defecation difficulties, due to the accumulation of stool in the intestine more and more, while affecting the intestinal exhaust, easy to lead to lower abdominal distension and pain, can not defecate the situation. Patients can first use the symptomatic treatment of open cork, usually pay attention to adjust the lifestyle, eat more easily digestible, fiber-rich food, drink more water, and properly increase exercise to enhance gastrointestinal peristalsis, so as to make the stool flow smoothly; 2, intestinal obstruction: by intestinal tumors, intestinal adhesions, intestinal overlap, intestinal torsion, etc. caused by the intestinal contents through the obstacle, can appear abdominal pain, abdominal distension, stool can not be discharged and other symptoms, especially the power The symptoms of abdominal pain, abdominal distension and inability to pass stools can occur, especially in dynamic intestinal obstruction, which can be accompanied by abdominal distension. The first treatment is fasting and water fasting, followed by gastrointestinal decompression and, if necessary, surgery to remove the cause of obstruction.