Irritable bowel syndrome has a genetic predisposition. Irritable bowel syndrome is a common dysfunctional syndrome, mainly manifested by abdominal pain, diarrhea, abdominal distension, increased frequency of bowel movements, constipation is often accompanied by a feeling of incompleteness after defecation. The prevalence of irritable bowel syndrome is higher in women than in men, and it occurs between the ages of 20 and 50 years old. When more than one person in the family suffers from irritable bowel syndrome, the probability of the next generation suffering from the disease will be relatively high, especially in those who are directly related to the patient. Patients with irritable bowel syndrome should pay attention to their diet, regular and quantitative, should not be overly hungry, do not overeat, avoid spicy stimulation, cold food. If the condition is serious, it is recommended to seek medical treatment in time and under the guidance of professional physicians.