Irritable bowel syndrome can usually be controlled with standardized treatment and symptoms disappear, but it cannot be cured and may recur. It is a group of disorders in which abdominal pain, bloating or diarrhea are the main symptoms, accompanied by changes in bowel habits. The exact cause is unclear and may be related to genetics, abnormalities in gastrointestinal dynamics, high visceral sensitivity, intestinal infections, immunity, and psychosomatic factors. Although irritable bowel syndrome has a long course and may recur, the prognosis is generally good, with most patients experiencing disappearance of symptoms within 1 year. In terms of treatment, dietary adjustment, medication and psychotherapy are mainly used. 1. Dietary adjustments: mild cases should adjust their dietary habits and lifestyles, and if they are ineffective, medication can be given according to their specific conditions. 2. Pharmacological treatment: antidiarrheal drugs, such as diarrhea can be used in patients with difenocoumarol, loperamide and so on. Constipation drugs, such as patients with constipation available polyethylene glycol, linaclotide and so on. Antispasmodic drugs, such as patients with abdominal pain can take pivacurium bromide. Improve the state of mind of the drug, such as the emergence of depressive symptoms available fluoxetine, affecting sleep available diazepam. 3. Psychotherapy: cognitive-behavioral therapy to relieve symptoms and improve anxiety and negative emotions. Psychotherapy or hypnotherapy to help relieve symptoms. Most patients can get better if they receive regular treatment. If there are unexplained abdominal pain, diarrhea, constipation and other symptoms, it is recommended that regular hospitals, follow the doctor’s instructions to standardize the treatment, not self-medication, so as not to delay the condition.