Cordyceps sinensis is a natural health-preserving medicinal material with mild medicinal properties, which has many health-preserving effects such as benefiting stomach, promoting fluid production, relieving cough and resolving phlegm, and improving body resistance. Cordyceps sinensis can be boiled or eaten directly. Regular use can increase the body's resistance, which conforms to the health-care concept of warming and nourishing. It is a good choice whether it is used as a medicine supplement or a health-care choice. May-June is the harvest season of Cordyceps sinensis every year. Cordyceps sinensis is best produced in Naqu, Tibet. Cordyceps sinensis is a wild product, which grows on the grass slope near the snow line in the alpine grassland shrub belt at an altitude of 3000-5000 meters. It is difficult to help mining. Generally speaking, the price of Cordyceps sinensis sold in pharmacies is 300-400 grams, which is still relatively expensive. Cordyceps sinensis in Gaohaiba is more expensive. Tongrentang has been selling fine Cordyceps sinensis, with prices ranging from 700 to 800 yuan, of which Cordyceps sinensis costs more than 800 yuan a gram, which is much more expensive than other pharmacies. It is two or three times that of the place of origin, but even at such a high price, many people are willing to buy Cordyceps.