Constipation refers to symptoms such as reduced frequency of defecation, reduced volume of feces, dryness of feces, and difficulty in defecation, and chronic constipation refers to the duration of the disease of more than 6 months. Some patients need to be assisted by hand or with the help of others to pass stools, and the quality of life and mental and psychological conditions of such patients are significantly affected. In severe cases, it may cause intestinal obstruction, abdominal distension, abdominal pain, nausea, vomiting and other symptoms, requiring emergency hospitalization. The prevalence of constipation increases significantly with age, and women are more prone to constipation than men. In acute myocardial infarction, cerebrovascular accident and other diseases, defecation effort can even lead to sudden death. Factors leading to constipation are: 1, diabetes mellitus, hypothyroidism, spinal cord injury, Parkinson’s disease and other systemic diseases; 2, tumors, chronic inflammation, intestinal stenosis, intestinal obstruction and other organic diseases of the intestinal tract; 3, functional constipation, functional defecation disorders, functional disorders such as irritable bowel syndrome; 4, antihypertensive drugs (calcium antagonists), anticonvulsants, psychotropic drugs and other drug factors. Constipation is also associated with mental tension, anxiety, fatigue, etc., and with long-term spicy, dry frying, deep-frying, high-protein, high-fat diets, female smoking, low body mass index. Patients may have intestinal flora dysbiosis, and the combination of Chinese and Western medicines to regulate intestinal flora can improve patients’ symptoms to a large extent. Patients with constipation need to seek early medical treatment to exclude constipation caused by colorectal cancer, diabetes mellitus, hypothyroidism and other diseases. Patients need to adjust their diet, increase the intake of dietary fiber, drink more water, exercise moderately, and avoid holding the stool for a long time. There are many kinds of laxatives and pro-dynamic drugs, which need to be selected according to the patient’s intestinal peristalsis, anorectal dynamics and stool characteristics, intestinal flora, etc. Long-term abuse of laxatives, especially those containing rhubarb, aloe vera, and certain detoxification teas may cause colorectal nigrostenosis, colon polyps, and thus increase the risk of colorectal cancer. Functional constipation, commonly known as constipation without organic disease, through the examination of intestinal dynamics, you can find out whether there is a slow intestinal peristalsis, defecation anal opening tight (abnormal contraction) and so on, for the slow intestinal peristalsis patients can take intestinal dynamics drugs, intestinal bacterial flora regulating drugs, etc.; for the defecation of anal opening tight patients, recommended biofeedback therapy, through the defecation action of correction, together with the use of laxative drugs. Biofeedback therapy is recommended for patients with constriction of the anal opening during defecation, through the correction of defecation movement, together with the use of laxative drugs, to achieve better therapeutic effect.