Irritable Bowel Syndrome (IBS) may be characterized by urgency and heaviness. It refers to the patient’s urge to have a bowel movement, but there is no stool or only a small amount of feces, and the patient may feel anal swelling, anal pain, and a feeling of incomplete bowel movement. Irritable bowel syndrome is mainly related to psychological factors, food intolerance, family genetics and other factors, the onset of the patient often appears to have the urge to defecate, defecation feeling, anal swelling and other symptoms of urgency and then heaviness, and some patients may have diarrhea and constipation alternately. If patients experience symptoms such as urgency, abdominal pain, abnormal defecation, etc., it is recommended that they go to the hospital as soon as possible to clarify or exclude the diagnosis, so as to prevent the development of the disease and affect the quality of life of the patients.