Tricholoma matsutake, the scientific name of Tricholoma matsutake, also known as Tricholoma matsutake, Fusobacterium and Formosa. It belongs to Basidiomycotina and Tricholomataceae, and is an ectomycorrhizal fungus of trees such as pine oak. It is a rare and precious natural medicinal fungus in the world and a national second-class endangered species. Tricholoma matsutake is born in arid and nutrient-poor woodland, and is usually produced in autumn. Usually parasitic on the roots of Pinus densiflora, Pinus tabulaeformis, Hemlock and Hemlock. The main producing areas of pilose antler in China are Yajiang, Xiaojin, Shangri-La and Yanbian, among which Yajiang in Sichuan accounts for 70% of the total national output and has been the champion of Tricholoma matsutake export for 30 consecutive years. Tricholoma matsutake polysaccharide contained in Tricholoma matsutake has a good effect of improving immunity. It can also directly kill cancer cells and inhibit the generation and division of cancer cells. It can increase the insulin content in the body and reduce the postprandial blood sugar content, which has a direct hypoglycemic effect. It is a rehabilitation food for adjuvant treatment of diabetes.