Cordyceps is a kind of rare tonic medicinal material used by Chinese folk. Its nutrient components are higher than ginseng, and can be used as well as edible. It is a good food and has high nutritive value. The Chinese caterpillar fungus can enhance the immunity of the body, nourish the lung and kidney, and has obvious inhibiting effect on the lung cancer, the liver cancer and the like. It also can be used for treating lung deficiency, cough, asthma, pulmonary tuberculosis, blood, night sweat, kidney deficiency, and reduce red blood cells after radiotherapy.