Ganoderma lucidum back moldy generally can not be eaten, Ganoderma lucidum appeared moldy situation, that has been Ganoderma lucidum has appeared deterioration, is not recommended to continue to eat. Ganoderma lucidum is flat in nature, sweet in taste, belonging to the lungs, heart, liver, kidney meridian, has the effect of calming asthma and cough, tranquilizing the spirit and replenishing the qi, and is often used in clinical practice for the treatment of heart and spirit restlessness, deficiency labor (including qi, blood, internal organs and other positive qi damage caused by weakness), shortness of breath (refers to shortness of breath, such as can’t be succeeded), cough and asthma of the lungs, insomnia and palpitations, and not think of food and drink and other illnesses. This drug is contraindicated for those with the first signs of external infection and those with solid symptoms, and allergic individuals should use it with caution. The moldy back of Ganoderma lucidum indicates that its active ingredients are damaged and contaminated. After consumption, not only will it not be able to exert its original medicinal effects, but it may also cause adverse reactions such as abdominal pain, diarrhea, nausea, vomiting, etc., which will cause some damage to the body, and is therefore not recommended. When preserving ganoderma lucidum, it can be dried and sealed, and placed in a dry and ventilated place to reduce the symptoms of mold, and can effectively prevent ganoderma lucidum from being bitten by insects. The specific use of the drug should be under the guidance of a medical professional.