Generally speaking, patients who are allergic to the components of Cordyceps Sinensis, deficiency and heat constitution, and solid evidence can not use Cordyceps Sinensis, patients should not blindly believe that the three categories of people circulating on the Internet can not eat Cordyceps Sinensis, nor can they think that they don’t belong to these three categories of people can be unauthorized to take it. 1. Allergy to the components of Cordyceps: Cordyceps contains nucleosides, amino acids, polysaccharides, peptides, steroids, organic acids and other components, allergy should be used with caution, and those who are allergic to its components should be prohibited from using it. 2. Hyperthermia: For patients who have a deficiency of yin and fire (deficiency of yin and essence in the body and hyperthermia), the use of Cordyceps alone will make the hyperthermia even worse, resulting in symptoms such as dryness of the mouth and tongue, hot flashes (a burst of fever) and night sweating (abnormal sweating after going to sleep and stopping sweating after waking up). 3. solid evidence: Cordyceps belongs to the tonic class of herbs, its effect is not rumored to be so magical, if the real evidence of evil patients take without authorization, often exacerbate the symptoms. In addition, for children, pregnant women, high blood pressure, tumors and other people, all need to be under the guidance of a doctor before using Cordyceps. It is recommended that patients consult a professional Chinese medicine practitioner, do not blindly believe in the propaganda of others, and should not blindly take Cordyceps.