Allergies on the face are like prickly heat and should be treated with intensive care, topical medication and oral medication. 1. Strengthen the care: first of all, to clarify the allergens, and then away from the allergens, you can choose to wash your face with lukewarm water, keep your skin clean and dry, do not use irritating skin care products or cosmetics. Diet should be light and mild, avoid eating foods that are easy to cause allergies, and avoid spicy and stimulating foods. 2. Topical medication: If the itching is more serious, you can use topical medication to relieve the symptoms, mainly using glycerine lotion, Dinhydrin cream and so on. 3. Oral medication: If the effect of treatment through the above methods is not obvious or the symptoms are more serious, you can also take oral antihistamine drugs, such as loratadine, ebastine and so on. The same disease, the patient’s physical condition is different, different stages of the disease, the treatment method is different. It is recommended that patients consult a doctor in time, under the guidance of the doctor for standardized treatment. All of the above drugs should be used in accordance with the doctor’s instructions, and can not be used blindly by themselves.