There are several clinical causes of constipation: 1, related to their dietary habits, if they often eat some fatty food, fried and greasy food, which can easily lead to poor digestion, and a long period of poor digestion can easily lead to a large accumulation of food in the intestine, causing constipation. 2, related to their lifestyle habits, if they are often overworked, stressed, repeated insomnia, worry, anxiety. 3, related diseases, such as inflammatory bowel disease, ulcerative colitis, irritable bowel syndrome, etc., can also lead to slow intestinal peristalsis, resulting in poor stool discharge, causing constipation. 4, the elderly, due to the relatively weak constitution of the elderly, and the gastrointestinal compensatory capacity is relatively poor, can also lead to constipation. Poorer, can also lead to constipation.