Early symptoms of gastritis may not be particularly typical, such as occasional burning sensation in the stomach, burping, acid reflux, hidden pain and other digestive symptoms are not obvious and easily overlooked. In the case of chronic gastritis, most patients may not have obvious clinical symptoms , often in the physical examination to confirm the diagnosis of gastritis. There are nociceptive nerves in the viscera, and the receptors for pain are free nerve endings, but the number is less than that of the skin, and the threshold is very high and the localization is not clear. Therefore, gastritis is not easy to feel pain and other discomforts. If the diagnosis of gastritis, but the symptoms are not obvious, but also under the guidance of the doctor for drug treatment, positive adjustment to form a good diet, is conducive to the restoration of health.