Gastric ulcer patients can eat fungus, because fungus contains a variety of nutrients, for the human digestive system, vascular system, immune system and other systems, has a positive impact. First of all, fungus contains a large number of proteins, can be more easily absorbed by the gastrointestinal tract, use, to ensure the normal operation of the body’s various bodily functions. Secondly, fungus contains more than 20 kinds of amino acids, such as lysine, methionine, leucine, etc. These ingredients can not only enhance the function of the human immune system, but also promote the regeneration and healing of damaged tissue cells. Then the fungus contains a variety of active substances, can enhance the physiological activity of phagocytes in the body, enhance the killing effect on the body of pathogenic bacteria, such as thiamine, carotene, polysaccharide peptide, and so on. In addition, in daily dietary care, we should try to keep light and avoid spicy, cold and other stimulating foods.