Mai Dong Wan should be Mai Men Dong Wan, its efficacy and main treatment for children’s skin thinning, bone heat, urine red and yellow. Mai Men Dong Wan is a traditional Chinese medicine prescription. It is from “Taiping Shenghui Fang”, Volume 88. It contains the ingredients of Mai Men Dong, Ginseng, Astragalus, Rhizoma Polygonati Odorati, Artemisia annua, Sambucus Root White Peel, Radix Bupleurum Chinense, Radix et Rhizoma Polygonati Odorati, Citrus Aurantium Diffusae. This formula is mainly used in treating children with thin skin (children with fragile spleen and stomach, such as improper feeding, or diarrhea and dysentery, resulting in poor appetite, skin without nutrients, and weakness and thinness), bone heat (refers to fever and sweating on schedule, which mostly occurs in the afternoon or at night, and the body appears to be hot from inside the bones outward), and reddish-yellow urine. The adverse reactions, contraindications and precautions of Maimendong Pills are not clear. Because Maimendong Pill belongs to the clinically uncommon prescription, so the specific use of medication needs a traditional Chinese medicine practitioner to carry out diagnosis and treatment under the guidance of a doctor, can not be self medication.