The efficacy and function of Cordyceps Sinensis is to tonify the kidney and benefit the lungs, stop bleeding and resolve phlegm; its eating method is to be taken in decoction, and can also be taken in pills and loose. It is recommended to follow the doctor’s advice. Clinically, Cordyceps Sinensis is mainly used for the treatment of tuberculosis cough, hemoptysis, chronic cough and asthma, night sweating (abnormal sweating after going to sleep, waking up sweating stops), spontaneous sweating (involuntary sweating during the day, sweating is aggravated by the slightest movement), impotence, spermatorrhea, lumbar and knee pain, post-disease weakness and so on. It should be noted that those with superficial evil (evil at the muscle surface) should not use Cordyceps. If patients need to use Cordyceps, it is recommended to use it under the guidance of a doctor, do not use it blindly on your own to avoid delaying your condition.