Mai Wei Di Huang Wan is not recommended for long-term use. Maiweidihuangwan is a drug for treating diseases, which should be stopped when the disease is cured. Prolonged use will impair the metabolism of the liver and kidneys and the digestive function of the gastrointestinal tract, as well as cause discomfort in other areas of the body, so long-term use is not recommended. Mai Wei Di Huang Wan consists of the medicines of Radix Rehmanniae Praeparata, Rhizoma Dioscoreae, Rhizoma Zedoariae and Fructus Schisandrae Chinensis; it mainly has the effect of nourishing the kidney and nourishing the lung. Currently, it is mainly used for the treatment of lung yin deficiency, kidney yin deficiency, lumbar and knee pain and weakness and other conditions. Adverse effects of Mai Wei Di Huang Wan are not clear. Contraindications for external wind-heat, internal heat is full of people should not take; phlegm and turbid obstruction of the lungs, loose stools should not be taken. Precautions to avoid indigestible food; cold and fever patients should not be taken; allergy is prohibited, allergy with caution. If there is a need for medication, it should be used under the guidance of a doctor, and should not be used blindly, so as not to cause adverse consequences.