Ganoderma lucidum is a traditional Chinese medicine, its taste is sweet, nature is flat, belonging to the lung, heart, liver, kidney meridian, has the effect of tonifying qi and tranquilize the spirit, stop coughing and asthma (stop coughing, calm wheezing), mainly used for the treatment of the heart and mind, insomnia, palpitations (heartbeat accelerated, often accompanied by panic), weakness, weak, chronic coughing, asthma, and so on. It cannot be used as a single medicine to treat diabetes, much less to cure diabetes at its root. Diabetes is a metabolic disease characterized by chronic hyperglycemia caused by multiple etiologies. Diabetic patients need to control the total daily intake, and adhere to small meals, regular meals. Since exercise can increase insulin sensitivity, diabetic patients should exercise reasonably under the guidance of a doctor and persist for a long time. On this basis, patients should also use metformin, dagliflozin, insulin and other medications under the guidance of the physician to control blood glucose, and regularly monitor blood glucose; if necessary, can also go to the hospital for diabetes-related health education to ensure the effect of blood glucose control, and delay the occurrence and development of complications. Diabetes in traditional Chinese medicine belongs to the category of “consuming thirst”, divided into the upper consuming, middle consuming, lower consuming and other types of evidence, always with Yin deficiency as the main, dry and hot as the standard, therefore, often to clear the heat and moisten the dryness, nourish Yin and promote the production of fluids as the basic principle of treatment, commonly used formulas are consuming thirst formula, Jade Maiden Decoction, six flavors of the Huang Huang Pill and so on, a single drug usually can not play a therapeutic and mitigating effect. It is recommended that patients go to the hospital in a timely manner, under the guidance of the doctor to identify the evidence and select the formula, standardized treatment, avoid blind faith in biased prescriptions, in order to avoid delaying the condition.