The examination of gastrointestinal neurosis is mainly realized through physical examination, laboratory examination, endoscopy and imaging examination to exclude organic diseases. 1. Physical examination: Physical examination mainly focuses on abdominal visualization, palpation, percussion, and auscultation to check whether there is any abdominal pressure, mass, abdominal fluid, etc., and to exclude obvious organic lesions. 2. Laboratory tests: routine blood tests, stool routine and fecal occult blood, C13 breath test and other tests are usually done to analyze whether there is Helicobacter pylori, parasitic infection, and whether there is bleeding in the digestive tract. 3. Endoscopy and imaging examination: mainly through the digestive endoscopy, abdominal ultrasound and so on to rule out the digestive tract with or without erosion, ulcers, polyps, tumors and so on. If gastrointestinal neurosis occurs, it is recommended to consult a doctor in time, after a clear diagnosis by the doctor to formulate individualized diagnosis and treatment plan, so as not to delay the condition.