There are many kinds of gastroenterology examinations, and different examinations are chosen mainly according to the cause of the disease and the symptoms. Commonly used tests include liver function, gastroscopy, gastrointestinal imaging, routine stool, colonoscopy, barium permeation, X-ray, hepatobiliary and pancreatic ultrasound, hepatobiliary CT, pancreatic CT, etc. If the main symptoms are gastrointestinal discomfort, routine stool, gastroscopy and enteroscopy can be done. After determining the cause of the disease, then choose a reasonable treatment method, keep a relaxed mood, maintain a regular diet, participate in more outdoor sports, do not overeat or drink, keep the room clean and hygienic, eat more fresh vegetables and fruits, and keep the sleeping environment quiet, comfortable and warm.