A large number of practices have proved that mushrooms have a wide range of preventive and therapeutic effects on cancer and have been used in clinical treatment. Mushrooms also contain a variety of vitamins and minerals, which play a great role in promoting human metabolism and improving the adaptability of the body. Lentinus edodes can also treat diabetes, tuberculosis, infectious hepatitis and neuritis, and can also be used for dyspepsia, constipation and weight loss. Many ancient books in China record that Lentinus edodes "tonify qi without hunger, cure wind and break blood, benefit stomach and help food". People use it to help induce acne and measles and treat headaches and dizziness. Modern research has proved that lentinan can regulate the activity of T cells with immune function in human body and reduce the ability of methyl cholanthrene to induce tumors. Lentinus edodes has a strong inhibitory effect on cancer cells, with the inhibitory rate of 97.5% on mouse sarcoma 180 and 80% on Ehrlich cancer. Lentinus edodes also contains double-stranded RNA, which can induce interferon and has antiviral ability. Lentinus edodes contains water-soluble umami substances, which can be used as food condiments, and its main components are nucleic acid components such as 5'- uridylic acid.