Cordyceps generally refers to Cordyceps sinensis, Cordyceps sinensis can not be eaten every day, eating Cordyceps sinensis should be guided by a Chinese medicine practitioner. Cordyceps is the dry complex of the fungus Cordyceps sinensis fungus parasitized on the larvae of the bat e family of insects and the carcasses of the larvae, which is sweet in taste and flat in nature. It belongs to lung and kidney meridian. Its efficacy is to tonify the kidney and benefit the lung, stop bleeding and resolve phlegm. Clinically, it can be used to treat impotence and spermatorrhea, lumbar and knee pain, kidney deficiency and essence loss, labor cough and hemoptysis, chronic cough and asthma. Cordyceps is a kind of traditional Chinese medicine, not health care products, the practice of taking Cordyceps as health care products to eat every day and prevent diseases is not desirable. It is contraindicated for those who have superficial evil (evil in the surface of the muscle), and the adverse effects are not clear for the time being. If you need to use Cordyceps, it is recommended to go to the hospital and use it under the guidance of a professional physician.