Suddenly the belly got bigger is related to obesity, pregnancy, gas and other factors. If there are no other symptoms in the body, but you just find your belly bigger than before in a short period of time, the main consideration is that you do not like to exercise and often engage in sitting work, which causes your body and abdomen to become fat. In this case, the symptoms can be relieved by active exercise, which can eliminate the abdominal flab. If a woman of childbearing age does not take contraceptive measures, and if she finds that her belly is gradually getting bigger, she can go to the hospital for routine blood and urine tests or an ultrasound examination of the abdomen to confirm the diagnosis. After pregnancy, as the fetus grows, the belly will also gradually become bigger. Usually do not pay attention to diet, often eat gas-producing food, such as onions, sweet potatoes, potatoes, carbonated beverages and other food, will lead to abdominal distension, so it will also cause the stomach to become larger, through the local hot compress, clockwise massage, can promote exhaustion to relieve the symptoms.