Commonly used drugs for the treatment of constipation in the elderly mainly include laxatives, gastric stimulants and probiotics, such as sorbitol, keserol, domperidone and lactobacillus. 1. Laxatives: oral laxatives are mainly sorbitol and lactulose, and topical laxatives are mainly keserol and mineral oil. It can stimulate the rectum and soften the feces, thus promoting defecation. 2. Gastric stimulants: such as mosapride, domperidone, etc., can promote gastrointestinal peristalsis, which is also helpful in promoting defecation. 3. Probiotics: such as Lactobacillus, Bifidobacterium triplex, etc., which can regulate intestinal flora and improve symptoms such as bloating and constipation. The above drugs should be used under the guidance of professional physicians. Patients with different conditions have different medication regimens and must follow the doctor’s instructions for treatment. If there is any discomfort after using the medication, you should consult a doctor as soon as possible.