A big belly is not necessarily caused by dampness and coldness, but may be caused by abdominal distension, accumulation of abdominal fat, long-term constipation and other factors. 1. Abdominal distension: often eat potatoes, onions, sweet potatoes and other gas-producing foods, can produce a lot of gas, resulting in a small stomach. 2. Abdominal fat accumulation: long-term sedentary, lack of exercise, often eat high salt, high sugar, high-fat food, a lot of calories into the body into fat, accumulation in the abdomen leads to a small belly. 3. Long-term constipation: long-term constipation patients, a large number of food residues in the intestinal tract to gather, intestinal dilatation, but also lead to the cause of this small abdomen. Small abdomen is relatively common in the clinic, not necessarily caused by heavy dampness and cold. It is recommended to increase the amount of exercise and perform clockwise abdominal rubbing, which can reduce abdominal distension, as well as the role of weight loss, can help improve.