The redness of the face in the sun is considered to be the possibility of solar dermatitis, which can be improved by general treatment and medication. The human skin is exposed to ultraviolet radiation for a long time can occur solar dermatitis, manifested as erythema of the face, edema, flaking, accompanied by itching, pain and so on. 1. General treatment: patients should avoid prolonged exposure to ultraviolet radiation in hot environments, usually go out and take protective measures (such as wearing sunscreen clothing, umbrellas, external sunscreen, etc.); pay attention to a balanced diet, avoid eating photosensitive foods. Such as wild vegetables, mango, etc. Patients with obvious pain can use ice saline cold compresses to relieve pain and redness. 2. Medication: patients can use glycerite lotion, compound menthol ointment and other drugs to relieve symptoms under the guidance of a doctor, or oral ibuprofen, acetaminophen and other non-steroidal anti-inflammatory drugs to relieve pain, oral loratadine, levocetirizine and other antihistamines to alleviate the symptoms of allergy. It should be noted that the red face sunburn may also be caused by other diseases, such as photosensitive dermatitis, lupus erythematosus, etc., it is recommended that patients go to the hospital in time to see a doctor, after a clear diagnosis, by the physician according to the patient’s condition for treatment, you can not just randomly use the drug.