Itchy face in summer may be related to polymorphic sun rash, plant solar dermatitis, summer dermatitis, according to the different diseases to choose the appropriate drug treatment. 1. Polymorphic sun rash: generally aggravated in spring and summer. Reduced in the fall and winter seasons, occurring in exposed areas such as the face, lesions in a variety of forms, common papules, papules, can also be manifested as edematous erythema or plaques, self-conscious itching is significant, need to do a good job of sunscreen, topical glucocorticoids such as dinexed cream, itching is significant can be taken orally antihistamine chlortetracycline. 2. Phytophotodermatitis: after ingestion or contact with some photosensitive plants, the exposed parts of the skin are irradiated by sunlight, causing skin lesions with phototoxic reaction as the main manifestation. Should be careful to eat wild plants, avoid sun exposure, local skin lesions cold compresses, oral calcium and antihistamine drugs such as loratadine. 3. Summer dermatitis: a seasonal, inflammatory skin disease caused by high temperature in summer. Need ventilation cooling, keep the skin clean and dry, can be used externally with glycerite lotion or weak glucocorticoid such as Dinaid cream, itching significant oral antihistamine such as loratadine. Once the summer face itchy may also have other reasons, should be timely to the hospital, under the guidance of the doctor for standardized treatment, do not self-medication.