The pain in the stomach without eating may be caused by stomach cramps or intestinal cramps, which is a normal phenomenon. When the human body is fasting or hungry for a long time, the stomach and small intestine are empty, at this time the stomach peristalsis and small intestine peristalsis will increase, and peristalsis is irregular, so it will lead to stomach cramps or intestinal spasm-like pain, is a burst of pain, mainly around the belly button or upper abdomen pain, the pain can be relieved by itself after eating. It may be caused by gastric or duodenal ulcer, which is painful during fasting and relatively intense in nature, occasionally accompanied by black stool, that is, some black color of the stool, caused by bleeding in the stomach, gastroscopy can be performed, if ulcerative lesions in the stomach or duodenum can be found, oral medication is required.