Generally, gastric cramps are considered to be related to gastritis, gastric ulcer, gastric cancer and other causes. 1. Gastritis: it can be divided into acute gastritis, chronic gastritis and special type of gastritis. (1) Acute gastritis: it often manifests as epigastric pain, which is characterized by colic, accompanied by abdominal distension, nausea, vomiting, loss of appetite, etc. It can be caused by alcohol, trauma and other factors. It can be caused by alcohol, trauma and other factors. (2) Chronic gastritis: it may present with discomfort in the middle and upper abdomen, fullness, dull pain, burning pain, colic, etc. It may also present with dyspeptic symptoms such as loss of appetite, belching, acid reflux and nausea. It can be caused by Helicobacter pylori, autoimmune and other reasons. (3) special types of gastritis: corrosive gastritis can appear gastrointestinal bleeding, upper gastrointestinal perforation, peritonitis and other serious conditions; bacterial infectious gastritis can appear sudden epigastric pain, obvious pressure pain and local muscle tension; eosinophilic gastritis has epigastric pain, nausea, vomiting and other symptoms, often accompanied by diarrhea. 2. Gastric ulcer: caused by excessive secretion of gastric acid, Helicobacter pylori infection and other factors, often manifested as postprandial pain, nausea, abdominal distension, loss of appetite and other symptoms. Gastric ulcer perforation can appear sudden abdominal pain, colic symptoms. Gastric bouts of cramps may also be caused by gastric cancer and other causes, it is recommended to consult a doctor in a timely manner, under the guidance of a professional doctor for a clear diagnosis and targeted treatment.