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 the immune function of the body. 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, invigorating spleen, invigorating qi and tonifying kidney, and can cure chronic diseases such as qi deficiency and loss of appetite; 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. The mushroom cap part contains double-stranded ribonucleic acid, which will produce interferon with anti-cancer effect after entering the human body. 4. It can lower blood pressure, blood fat and cholesterol. Lentinus edodes contains purine, choline, complex acid, oxidase and some nucleic acid substances, which can lower blood pressure, cholesterol and blood fat, and can also prevent diseases such as arteriosclerosis and cirrhosis.