There are about three types of gastric tests, including laboratory tests, such as: routine blood, fecal routine and serologic tests; imaging tests: abdominal standing plain film, CT, etc.; and gastric special tests: gastroscopy and pathology tests, etc. 1. Laboratory tests: routine blood and fecal tests can assess whether there is upper gastrointestinal bleeding and estimate the amount of bleeding, etc.; serological tests are often used to check the secretion of gastric acid and the condition of Helicobacter pylori. 2. Imaging examination: abdominal standing plain film: usually used for the examination of peptic ulcer perforation; CT: usually used for the examination of gastric cancer and other benign and malignant tumors of the stomach. 3. Special examination of stomach: Gastroscopy is usually a common examination method for digestive diseases, such as gastritis, peptic ulcer, etc., with high accuracy, especially when the existence of gastric cancer is suspected, it can be used to obtain the pathological examination of the lesion site, etc. At the same time, gastroscopy can be used for the treatment of digestive diseases, such as the resection of gastric polyps in early stage, etc. There are many kinds of examination methods of stomach. There are many kinds of stomach examination methods, and different methods have different sensitivities for the diagnosis of stomach diseases, when you need to carry out stomach examination, you should go to regular hospitals under the guidance of professional doctors, so as not to cause misdiagnosis of the disease, thus delaying the condition.