Difficulty in defecation mainly refers to dry stools, straining to defecate, prolonged defecation and unclean defecation. The main reasons for difficult defecation are: 1, intestinal peristaltic dysfunction, mainly refers to the weakening of intestinal peristaltic function, the food, food residues and feces in the intestine for too long, resulting in the full absorption of water in the intestinal contents, resulting in dry stools and the phenomenon of straining to defecate. 2, intestinal nerve dysfunction, mainly seen in the elderly or people with abdominal surgery, which is mainly The main reason is that the defecation reflex is inhibited or slowed down due to nerve damage and neuropathy, and the large amount of feces in the intestine cannot stimulate the defecation reflex, and the defecation time is too long. 3, dietary factors, mainly eating indigestible food, greasy food, etc., because the food cannot be fully absorbed and digested by the gastrointestinal tract, part of the undigested food residue remains in the intestine for a long time, and The phenomenon of unclean bowel movement is caused.