Under normal circumstances, once every few days, when the bowel movement can not make force to consider for constipation, may be too much to eat hard-to-digest food and other dietary factors, may also be Crohn’s disease and other intestinal diseases caused. 1. Dietary factors: daily intake of water is too little, it will cause dry stools difficult to discharge; daily diet like spicy stimulation, cold and hard, greasy and indigestible food, such as spicy hot pot, fried chicken, spicy strips, etc., to stimulate the gastrointestinal mucosa and aggravate the burden on the gastrointestinal tract, resulting in constipation and other conditions. 2. Intestinal diseases: such as Crohn’s disease, ulcerative colitis, irritable bowel syndrome, hemorrhoids, anal fissure and other diseases, can cause abdominal pain, bloating, nausea, vomiting, diarrhea, loss of appetite, constipation and other symptoms. A few days a stool, stool when not make force may also be daily mental stress, often inhibit the urge to defecate, defecation, playing the phone and other bad habits, often sedentary or bedridden and other bad habits caused by the suggestion of timely medical care in order to clarify the diagnosis, under the guidance of the doctor for targeted treatment.