Irritable bowel syndrome is a functional bowel disease, mostly not serious and not life-threatening, but it will affect the patient’s quality of life. Irritable bowel syndrome is a multifactorial functional gastrointestinal pathology, mostly accompanied by abdominal pain, diarrhea, bowel movements and stool shape changes and other symptoms, and its treatment mainly consists of psychotherapy, drug therapy, dietary adjustments and so on. 1. Psychological treatment: Reduce psychological pressure, avoid long-term anxiety and depression, communicate with others, and ensure a happy mood. 2. Medication: Commonly used medications include pivacurium bromide, montelukast, lactulose, alosetron and so on. 3. Dietary adjustments: It is recommended to eat a light diet, eat more vegetables and fruits, avoid spicy and stimulating diet, drink more water. Although irritable bowel syndrome has a long course and may recur, the prognosis is generally good and not life-threatening. It is recommended that treatment be carried out under the guidance of a professional physician to avoid delaying the condition.