Yubingfeng Oral Liquid can be drunk by children, and there is no provision in its instruction manual that children are prohibited from using it, but children should use the drug under the guidance of a professional doctor. Yupingfeng Oral Liquid is a kind of Chinese patent medicine, which is composed of Astragalus, Fenghuang, Atractylodes macrocephala. It has the efficacy of benefiting qi, fixing the epidermis and stopping sweating, and is used for those who have deficiency of the epidermis (weak muscle epidermis leading to abnormal sweating out), sweating during the daytime when they move, afraid of the wind, with a white and lusterless face, mental fatigue, physical weakness, or those who are weak and prone to catching colds in their normal bodies. Adverse effects of the drug are not known. Allergic to the product is prohibited, allergic persons should be cautious. Avoid cold, greasy, spicy and indigestible food. Patients with cold and fever should not take the drug. Patients with serious chronic diseases, children, pregnant women, lactating women should take it under the guidance of a physician. Yupingfeng Oral Liquid should be used under the guidance of a doctor, and should not be used blindly to avoid adverse reactions.