Total hysterectomy is a common surgery in gynecology, and a much larger stomach after total hysterectomy is usually caused by fat accumulation, intestinal flatulence, pelvic mass and other reasons. 1. Fat accumulation: Usually, after total hysterectomy, patients need bed rest and nutritional supplements, when bed rest and excessive nutrition, it will cause fat accumulation, thus making the stomach much bigger. This situation is particularly significant in older women, as women grow older, the abdomen will be more flabby, fat is easier to accumulate. 2. Intestinal flatulence: The uterine excision surgery requires short-term bed rest, the amount of exercise will be reduced, after eating food in the gastrointestinal accumulation, resulting in indigestion, which will cause gastrointestinal flatulence, in which case the stomach will be much larger from the surface. 3. Suffering from pelvic mass: the tummy becomes bigger after total hysterectomy does not exclude the possibility of pelvic mass, such as ovarian tumors, this kind of tumor will also make the tummy have obvious changes. The tummy is much bigger after total hysterectomy, which may also be caused by other reasons. It is recommended that the patient should consult the doctor in time to find out the reasons and then deal with it accordingly under the doctor’s guidance.