Nine-year-old child face suddenly have a lot of red spots at the root of the ear may be related to eczema, contact dermatitis, allergic purpura and other reasons, can be the cause of the drugs or physical therapy. 1. eczema: can follow the doctor’s instructions external tacrolimus ointment and other calcium-modulated neural phosphatase inhibitors, oral cetirizine and other antihistamines; through ultraviolet irradiation, is conducive to the recovery of skin lesions. 2. Contact dermatitis: oral levocetirizine and other antihistamines, if there is a local infection, topical fusidic acid and other antibiotics. Specific drugs need to follow the doctor’s prescription medication. 3. Anaphylactic purpura: oral antihistamine medication can be prescribed for treatment, commonly used are loratadine, chlorpheniramine maleate, etc., can also be combined with vitamin C, calcium and so on. At the same time, we should pay attention to adequate rest, strengthen the dietary nutritional supplements. Parents are advised to take their children to the hospital in time, to clarify the cause of the disease, and to standardize the treatment under the guidance of the doctor, so as not to delay the condition.