Lingzhi in water need to pay attention to, solid evidence and the first signs of external infection should be avoided, allergies should be used with caution. Ganoderma lucidum has the effect of tonifying qi and tranquilizing the mind, relieving cough and asthma (stopping cough and calming wheezing), and can be used to treat restlessness, insomnia, palpitations (rapid heartbeat, often accompanied by panic), cough and asthma due to deficiency of the lungs, deficiency of fatigue and shortness of breath, and inability to think about food and drink, among other conditions. Lingzhi can be used to treat insomnia and dreams caused by insufficient qi and blood and lack of nourishment for the heart and spirit; it can also be used with ginseng for treating symptoms of deficiency and fatigue. Ganoderma lucidum belongs to the category of tonic Chinese medicines, and is contraindicated for those with solid symptoms and at the onset of exopathic diseases, and should be used with caution for those with allergies. People who are allergic to ganoderma lucidum are prohibited from taking it, and may experience allergic symptoms such as skin itching and respiratory difficulties after taking it. The use of drugs should be under the guidance of a professional physician to avoid adverse consequences.