Constipation can be caused by diet, drug factors, intestinal obstruction and other disease factors, generally can be used to promote gastrointestinal dynamics of drugs such as domperidone, laxative drugs such as lactulose, lubricating laxative such as keserol and so on for treatment. 1. Gastrointestinal stimulants: constipated patients with gastrointestinal motility disorders can take oral gastrointestinal stimulants such as domperidone, mosapride, etc., to promote gastrointestinal digestion and peristalsis, which in turn promotes fecal excretion. Gastrointestinal stimulants may have side effects such as bloating, diarrhea and dry mouth. 2. Diarrhea-inducing drugs: oral osmotic laxatives such as lactulose, stimulating laxatives such as senna granules, etc., through strong stimulation of the intestinal wall contraction and peristalsis, to promote fecal excretion. Laxatives may have side effects such as dehydration and abdominal pain. However, stimulant laxatives are not recommended for long-term use, and may lead to colorectal melanosis. 3. Lubricating laxatives: refers to the local lubrication of the intestinal tract, soften the stool and play a role in the drug, such as Keselu, its main ingredient is mannitol, the use of drugs into the anus to play a role, but long-term use of Keselu may be dependent on it. More factors leading to constipation, so the patient constipation is serious or accompanied by other discomforts, it is recommended to go to the regular hospital in a timely manner to find out the cause of the disease, do not unauthorized use of medication, so as not to cause adverse consequences.