Hyperthyroidism belongs to the category of “gall disease” and so on. Cordyceps Sinensis is not directly used for the treatment of hyperthyroidism, but for the treatment of symptoms caused by hyperthyroidism. Therefore, patients can follow the doctor’s instructions to use the drug. Cordyceps is a kind of traditional Chinese medicine, its taste is sweet, sex is flat, has the effect of tonifying the lungs, benefiting the kidneys, stopping bleeding, and resolving phlegm; it can treat lumbar and knee pain, impotence and spermatorrhea, and it also has a therapeutic effect on cough and asthma, and laboring and hemoptysis. The adverse effects of Cordyceps Sinensis are imprecise, as are the contraindications; note that it should not be used by those who have superficial evils (evils on the surface of the muscles). Hyperthyroidism is commonly characterized by palpitations, excessive sweating, irritability, dry throat, etc. From the point of view of its functions and contraindications, part of the evidence of hyperthyroidism can be eaten Cordyceps sinensis. If patients need to use the drug, it is recommended to use it under the guidance of a Chinese medicine practitioner to identify the evidence, and unauthorized use of the drug may cause adverse consequences.