Small abdominal distension generally often has the following causes: a. Elderly patients will have symptoms of chronic constipation due to weakened gastrointestinal tract function. The slow excretion of intestinal fluid and feces in the small abdomen causes the symptoms of distension in patients. At this time, the patient can be given a low-pressure enema, oral lactulose, Benetton tea and other drugs to promote the patient’s gastrointestinal function peristalsis, so that the patient intestinal contents excretion, to relieve the symptoms of small abdominal distension. Secondly, urinary retention is mostly seen in patients with prostate enlargement and difficulty in urine discharge. The actual fact that a large amount of urine is blocked in the bladder, causing the bladder to expand and increase in size, will cause the bloating discomfort in the small abdomen, when the patient can drain the urine through an indwelling urethra, or a cystostomy to decompress the bladder to relieve the symptoms of bloating in the small abdomen.