Most of the stomach movement is a normal phenomenon of gastrointestinal peristalsis, if the peristalsis is too fast or too slow is caused by gastrointestinal diseases. 1. Normal phenomenon: under normal circumstances, after eating, food will be digested and absorbed with the gastrointestinal tract peristalsis, the secretion of digestive juices, and gradually transformed into stool, from the anus out of the body is a normal metabolism. 2. Gastrointestinal diseases: such as gastrointestinal inflammation, indigestion and other reasons may cause gastrointestinal peristalsis is too fast or too slow, causing uncomfortable symptoms, such as bloating, abdominal pain, diarrhea, constipation and so on. Normal physiological phenomena do not need to worry and treatment, if there are abnormal symptoms timely medical treatment, under the guidance of the doctor for examination and diagnosis and treatment.