Small belly big like pregnant, excluding pregnancy, but also consider a variety of circumstances: a, physiological 1, obese body type: obese people have more body fat, abdominal fat accumulation is thicker, looks like a big belly. Especially people who often sit, abdomen and hips will have thicker fat pad, there will be a small belly big like pregnancy; 2, postpartum abdominal flaccidity: some people do not have the right postpartum care, or personal physical reasons, small abdominal muscles are propped up, it will be difficult to restore tight, especially overweight, obese people, more abdominal fat, coupled with muscle, skin flaccidity, small belly will become large. Second, pathology 1, ascites: caused by organic diseases, that is, organ problems, common liver cirrhosis, chronic nephritis, heart failure, pericarditis, etc.. It will also be accompanied by abdominal distension, loss of appetite, lower limb edema and other symptoms, and the stomach will swell like a frog’s abdomen when a large amount of ascites; 2, tumors: abdominal tumors early tumors are not large and not easily detected, some will gradually grow and develop into huge tumors, such as huge pelvic tumors, should be regular physical examinations, timely screening and removal; 3, complete intestinal obstruction: the patient’s abdomen swells more obviously, similar to the size of early pregnancy, but also accompanied by abdominal pain, abdominal distension, vomiting and other symptoms.