Whether or not it is effective to take one Cordyceps a day needs to be judged according to the condition, constitution and other aspects, and it is impossible to generalize. It is recommended that those who have indications for Cordyceps should take it under the guidance of a Chinese medicine practitioner in order to achieve the optimal medicinal effect. Cordyceps is the short form of the traditional Chinese medicine Cordyceps sinensis, which is sweet in taste, warm in nature, slightly toxic, and enters the lung meridian and kidney meridian, and has the effect of tonifying the essence, nourishing the kidney and the lungs, and relieving cough and resolving phlegm. Cordyceps sinensis is commonly used clinically in the treatment of spontaneous sweating (involuntary sweating during the day, a little movement sweating aggravated) night sweating (sweating abnormally after going to sleep, waking up sweating stops), lung deficiency and prolonged coughing, impotence and spermatorrhea, lumbar and knee pain and softness and other conditions. It should be noted that the use of Cordyceps sinensis in the treatment of disease patients should avoid eating fat, sweet and spicy food; there are surface evil (in the muscle surface of the evil) into the body with caution. If patients have the need for medication, need to be taken under the guidance of a professional physician, so as not to blindly use medication, resulting in adverse consequences.