Sunburn, also known as sunspots or solar dermatitis, is an acute phototoxic reaction that occurs in the skin at the site of exposure due to intense sunlight. Painful sunburn can be treated by general treatment, topical medication and oral medication. 1. General treatment: should avoid sun exposure, and in the exposed parts of the topical physical shading agent or chemical shading agent, such as 5% titanium dioxide cream, benzophenone, etc.; can also be in the sunburned parts of the ice, thus helping to relieve the pain. But need to pay attention to control the temperature, avoid frostbite skin. 2. Topical medication: generally can be used externally with glycerite lotion and glucocorticosteroids such as Dinaid cream, etc., and in severe cases, 3% boric acid solution can be used as a wet compress to help patients relieve pain. 3. Oral medication: Oral antihistamines such as loratadine, vitamin C, non-steroidal anti-inflammatory drugs such as ibuprofen, and glucocorticosteroids such as prednisone can be applied systematically in severe cases. Patients in the emergence of sunburn pain symptoms, we must promptly consult a professional doctor under the guidance of the use of drugs, to avoid blind use of drugs, so as not to cause adverse reactions.