The stomach will appear beating, mainly due to the following conditions: 1, abdominal aorta beating, which is a normal physiological phenomenon. This is a normal physiological phenomenon. The abdominal aorta is mainly to ensure the blood supply to the abdominal organs and will beat rhythmically together with the heart, and will not cause other abnormal symptoms. 2. Intestinal spasm, intestinal spasm will cause a significant beating in the stomach, and sometimes accompanied by a vague pain. The symptoms of intestinal spasm are mainly stimulated by diet and external temperature, and usually do not cause any major damage. 3, abnormal impulses of the nervous system can cause the muscles in the stomach to throb, which is uncontrollable and occurs mostly unconsciously, and can often return to normal after a few beats.