The small stomach becomes bigger after eating is related to factors such as stomach prolapse, obesity and spleen deficiency. Everyone’s body is different, some people have weak abdominal wall muscles, poor abdominal muscle strength, poor stability of the internal organs or the phenomenon of stomach prolapse, just after eating the stomach volume will gradually increase, the stomach is subject to expansion from the outside will look larger stomach. In addition, due to the physique, excess nutrition, poor lifestyle, and frequent overeating, the pressure on the abdomen will increase after ingesting food, so the abdomen will look larger. Patients with spleen deficiency, although they look thin and weak, will support their belly to look bigger after eating, such a situation is a typical manifestation of spleen deficiency. Chinese medicine believes that when the body has spleen deficiency, the body has no way to excrete waste quickly, resulting in too much waste staying in the body, and the stomach will look significantly larger.