The incidence of chronic gastritis in China is gradually increasing, and has a trend of youth, some young people can also occur chronic gastritis. It affects the life and work of patients, and even some patients with chronic gastritis can develop into gastric cancer hair, clinically there are three main ways to examine chronic gastritis, as follows: 1, gastroscopy; 2, barium meal of the digestive tract; 3, capsule endoscopy. Each of the three methods has its own advantages and disadvantages, and the main examination method in China is gastroscopy. Many patients are afraid of gastroscopy, but now there is a technology called anesthesia gastroscopy, commonly known as painless gastroscopy, which can be performed in a completely asleep state. The patient feels no discomfort and the doctor is very comfortable with the examination, which is usually more effective.