Drinking water on the stomach pain may be stomach cramps or suffer from gastritis, gastric ulcer, benign and malignant tumors of the stomach, etc., as follows: First, stomach cramps, strong contraction of the muscles of the stomach will cause stomach cramps, manifested as sudden and severe pain, which can radiate to the left side of the neck, back, accompanied by nausea, vomiting, etc., if overeating, eating too much irritating food or irregular diet, can lead to stomach cramps. Second, gastritis, refers to acute or chronic inflammation occurring in the gastric mucosa, dominated by inflammatory cell infiltration, mainly discomfort in the upper abdomen, manifested as abdominal distention and pain, and the symptoms of pain will increase after meals. Third, gastric ulcer, gastric mucosa because of various reasons lead to breakage, will form gastric ulcer, Helicobacter pylori infection is one of the main causes of gastric ulcer. Fourth, stomach tumors are divided into benign tumors and malignant tumors, which can also lead to stomach pain.