Eating dried mushrooms is more nutritious, much higher than fresh ones. Eating shiitake mushrooms is good for cardiovascular system. Besides protein, fat and carbohydrate, shiitake mushrooms are also rich in amino acids, vitamins, minerals and a variety of physiologically active substances. Lentinus edodes polysaccharide has the effects of improving immunity, inhibiting the growth of cancer cells, resisting virus and resisting aging. Lentinus edodes purine (also known as Lentinus edodes) can reduce harmful cholesterol, has a good protective effect on cardiovascular system, can effectively prevent atherosclerosis, and has a good effect on lowering blood pressure. The content of vitamins and minerals, especially B vitamins and ergosterol in Lentinus edodes is high, which can effectively prevent rickets and rickets.