It is not recommended that patients directly use boiling water to soak Cordyceps, the correct use of water decoction or into the pills. Cordyceps is a class of complex Chinese herbal medicine, with the effect of tonifying the kidney and lungs, stopping bleeding and resolving phlegm, and can be used clinically with ginseng for the treatment of prolonged coughing and asthma, and with Duchenne for the treatment of impotence, spermatorrhea, and enuresis; and with Colla Corii Asini for the treatment of prolonged coughing up of blood and other diseases. When used as a drug, the correct use of this drug for water decoction, or powdered into pills, do not recommend that patients directly with boiling water, this time can not guarantee the effective intake of patients, can not be clear what kind of therapeutic effect can be played. Patients who need to use this drug, should be under the guidance of a doctor, not unauthorized use of drugs.