Stomach sweating is related to stomach cramps, stomach ulcers, and stomach perforation.1. Stomach cramps will cause strong spasm and contraction of the smooth muscles of the stomach during the attack, which will result in severe stomach pain, and some people will become pale and sweaty, which is self-limiting, and will be relieved by itself after a while.2. Gastric ulcers are a common disease of the stomach, and severe pain occurs when gastric acid causes stimulation of the ulcerated surface. Pain, due to the nature of the pain is more serious, some people will appear sympathetic nerve excitement, so sweat. 3, gastric perforation is a kind of acute abdominal disease, most of the ulcers in the degree of aggravation of the complications, gastric perforation in the attack of the pain is particularly intense, part of the gastric fluid will enter the abdominal cavity, the abdominal cavity organs caused by the infection, not only will there be severe pain, but also the body will have a fever, sweating.