Cordyceps has no clear contraindications, as long as the right evidence can be taken, there is no requirement for the season, and there is no season to eat a better argument. The main role of Cordyceps is to tonify the lungs and kidneys, phlegm, stop bleeding, can be used for kidney deficiency and essence loss, symptoms of lumbar and knee weakness, mental fatigue, impotence and spermatorrhea, coughing and wheezing, blood hemoptysis. Attention to long service need to be cautious, its contraindications and adverse reactions are not yet clear. For Cordyceps can be taken in line with the above evidence, for which season to take and no special requirements, so there is no season to eat a better argument, can be taken throughout the year. Cordyceps need to be taken under the guidance of a professional doctor, do not take medication privately, so as not to cause damage to the organism.