Ganoderma lucidum can be used both as medicine and food. Ganoderma lucidum boiled in water for drinking as a tea substitute mainly has the effect of tonifying qi and tranquilizing the mind, relieving cough and calming asthma, which is useful for improving the symptoms of restlessness, palpitation and insomnia, and coughing and wheezing. The active ingredients of tea substitute are limited and cannot be used as a treatment. Ganoderma lucidum is derived from the dried fruiting bodies of the fungus Ganoderma lucidum or Ganoderma lucidum of the family Polyporaceae. It has the effects of tonifying qi and tranquilizing the mind, relieving cough and calming asthma, and can be used in the treatment of qi and blood insufficiency, mental and physical restlessness, insomnia and palpitation, coughing and asthma in lung deficiency, deficiency of qi and shortness of breath in fatigue, and lack of food intolerance. Ganoderma lucidum can be used with other Chinese herbs for internal use in decoction soup, if you simply use Ganoderma lucidum to boil water to drink as tea, the efficacy of its role is limited, and can not replace the medication used in the treatment of disease, if you are not feeling well, you should also actively consult a doctor for medical treatment.