Cordyceps, also known as Cordyceps sinensis, is the dried complex of the ascospores and larval carcasses of the fungus Cordyceps sinensis parasitized on the larvae of Bat Moths in the family of Ergotaceae, which is a kind of precious traditional Chinese medicine. Cordyceps is sweet in flavor and flat in nature. It belongs to lung and kidney meridians. It has the effect of tonifying the kidney and benefiting the lung, stopping bleeding and resolving phlegm. It is used to treat kidney deficiency and essence loss, impotence, spermatorrhea, lumbar and knee pain, chronic cough and asthma, labor and hemoptysis. Cordyceps can be decocted and taken internally or in pills, but it is not suitable for those who have superficial evils (evil qi on the surface of the muscles). Feeling unwell, it is recommended to go to the hospital as soon as possible, the use of Cordyceps and other Chinese herbs need to be guided by a professional doctor, do not take the drug on your own, so as not to delay the condition.