Lentinus edodes is a common edible fungus and the second largest edible fungus in the world, with high nutritional value. 1, Lentinus edodes can improve immune function. Lentinan can improve the phagocytic function of peritoneal macrophages in mice, promote the production of T lymphocytes, and improve the killing activity of T lymphocytes. 2. Lentinus edodes has the effects of harmonizing stomach and strengthening spleen, benefiting qi and tonifying kidney, and can treat chronic diseases such as qi deficiency and anorexia; Anti-aging, the water extract of Lentinus edodes has a scavenging effect on hydrogen peroxide, and has a certain scavenging effect on hydrogen peroxide in the body. 3, it can prevent cancer and fight cancer. Mushroom cap contains double-stranded ribonucleic acid, which will produce interferon with anticancer effect after entering human body. It can lower blood pressure, blood lipid and cholesterol. Lentinus edodes contains purine, choline, compound acid, oxidase and some nucleic acid substances, which can reduce blood pressure, cholesterol and blood lipid, and also prevent diseases such as arteriosclerosis and cirrhosis.