In modern society, people work under a lot of pressure, usually irregular diet, which can easily lead to the occurrence of chronic gastritis. Chronic gastritis is a common and frequent disease, the incidence of chronic gastritis in China is as high as 60%, of which atrophic gastritis accounts for 20%. Chronic gastritis often does not have typical specific symptoms, the common symptoms of most patients are vague pain in the upper abdomen after or before meals, fullness and discomfort, sometimes accompanied by belching, acidity, heartburn, anorexia, nausea, vomiting, a few patients may have upper gastrointestinal bleeding. The chronic gastritis has a long course and is difficult to heal, and it is often easy to relapse after healing if there is a bad stimulus. Chronic gastritis can also lead to complications such as wasting, malnutrition and anemia over time.