Constipation, regardless of age, is common in the following situations: functional constipation caused by low intake of food and water, stress, and intestinal dysfunction; and organic constipation caused by intestinal diseases or other systemic diseases. 1. Functional constipation: commonly found in dieting or disease factors resulting in low intake of food and water; lack of fiber in food; stress and other emotional factors; disorders of colonic motility, abuse of laxatives to form drug dependence and other conditions. 2. Organic constipation: common causes include benign and malignant tumors of the colon, inflammatory bowel disease, uremia, hypothyroidism and other diseases. If the patient has the symptoms of constipation, you need to go to the hospital in a timely manner to conduct relevant examinations, clear cause standardized treatment.