Sunburned skin may cause solar dermatitis, polymorphic sun rash, solar urticaria, etc., can be treated with topical medication or systemic medication, in addition to strengthening care. 1. Solar dermatitis: excessive exposure to ultraviolet radiation can lead to skin inflammation reaction, redness, swelling and burning, can be temporarily left untreated, or wash with water and apply some moisturizing cream or gel, such as aloe vera gel, petroleum jelly and so on. For the itching obvious can be used locally compound menthol ointment, compound indomethacin tincture and so on. 2. Polymorphic sun rash: This is a kind of polymorphic photosensitive rash appeared after a few hours of sunlight exposure, if the symptoms are not obvious, you can use boric acid solution or cold compress with a towel, and then apply some glucocorticosteroid ointment, such as dexamethasone cream, hydrocortisone cream and so on. 3. Solar urticaria: This disease is a skin manifestation that occurs when the skin is exposed to sunlight for a few minutes, and can be relieved by oral cetirizine and loratadine medications, don’t scratch, don’t friction, and keep the surrounding environment ventilated. Skin redness after sunburn can not be relieved by self-treatment, to seek medical attention as soon as possible, if you need to use medication, should strictly follow the doctor’s instructions.