Stomach pain at night may be due to a variety of reasons: first of all, office workers often choose not to eat breakfast, Chinese food casually cope with, dinner will eat and drink, and even before going to bed will choose to eat late-night snacks, which will lead to the food can not be completely digested, so there will be a significant phenomenon of stomach pain in the sleep. If the dinner intake is more greasy food, it will also increase the digestive burden of the intestines and stomach, so there will be obvious pain feeling. Secondly, when entering into the hot summer, some people do not do a good job of keeping warm, which will lead to the stomach cold, the phenomenon of pain when sleeping. In addition, if the intestinal and gastrointestinal function itself is relatively weak, and choose to drink a lot of alcohol at night, it will cause digestive system diseases, such as gastric ulcers or gastrointestinal bleeding, which will lead to the appearance of the symptoms of stomach pain.