Gastric mucous membrane damage, in traditional Chinese medicine may be insufficient stomach yin (stomach yin fluid insufficiency) and other causes, maitake dong, dendrobium and other traditional Chinese medicines have the effect of nourishing the yin, can be used as a substitute for tea, but the effectiveness of the treatment is limited and varies from person to person. 1. Maitong: have nourishing yin benefit stomach (supplement yin fluid, enhance the function of the stomach and internal organs), the role of the production of fluids and moisturize the lungs, for yin deficiency caused by the stomach and epigastric hidden burning pain, elimination of gluten and good hunger (eat more and also easy to starve), coughing and sore throat, fluids hurt thirst, heartburn and insomnia, intestinal dryness constipation and so on, have a certain degree of efficacy. But allergic to drugs and Yang deficiency should be used with caution. 2. Dendrobium: It is good for stomach and generates fluids (nourishing stomach by replenishing fluids in the stomach), nourishing yin and clearing heat (nourishing yin essence and clearing heat), and is effective in treating dryness of mouth and thirst caused by deficiency of stomach yin, burning in the stomach, dryness and vomiting due to lack of food, bone steam and laborious heat, and darkness and uncertainty of the eyes. It should be used with caution for those who are allergic to the drug and those who have deficiency of spleen and stomach (weak and cold spleen and stomach). Damage to the gastric mucosa may be caused by a variety of reasons, and requires evidence-based treatment, not generalization. Among them, those with insufficient gastric yin are more common, and can use Chinese medicine with yin-supporting effects such as maitong and dendrobium as a tea substitute, which is suitable for patients with milder conditions and better physical condition in general. In addition, the active ingredients of the tea substitute are limited, only as an adjunctive therapy, and cannot replace the therapeutic effect of multiple drugs used in conjunction. If you feel unwell and need to take medication, please go to a regular hospital in time and take medication under the guidance of a doctor to avoid delaying your condition.