There is no specific medication for irritable bowel; irritable bowel syndrome manifests itself in different ways and requires different therapeutic medications. Including antispasmodic and analgesic drugs, antidiarrheal drugs, laxatives, psychotropic drugs and so on. 1. Antispasmodic and analgesic drugs: For patients with abdominal pain, calcium antagonists such as pivacurium bromide, anticholinergic drugs such as atropine and scopolamine can be applied to relieve gastrointestinal smooth muscle spasm and improve abdominal pain. 2. Antidiarrheal drugs:For patients with diarrhea, antidiarrheal treatment such as montelukast can be applied. 3. Laxatives:For patients with constipation, polyethylene glycol, lactulose, sorbitol, etc. can be applied to treat constipation. 4. Psychotropic drugs:This disease is often associated with psychosomatic factors, and anti-anxiety and depressive drugs such as amitriptyline can be taken to help improve the patient’s mood and further alleviate the symptoms. 5. Drugs to assist digestion and regulate the intestinal environment: for example, the use of compound azimut can help patients with irritable bowel with symptoms of indigestion, while probiotics such as bifidobacteria can be used to regulate the intestinal microenvironment. Patients with irritable bowel syndrome should go to the hospital and be treated under the guidance of a doctor.