Sun blisters can be treated by applying local wet compresses, topical glucocorticoids, and taking antihistamines. Drugs need to be applied under the guidance of a doctor. Exposure to the sun can often lead to sunburn, the skin can appear blisters, at this time can be localized topical boric acid solution and other wet compresses, can play a local cooling, promote the role of blisters subside. After the blisters subside, topical glucocorticoid drugs such as hydrocortisone butyrate ointment can be used to fight inflammation and promote the regression of skin lesions. Oral antihistamines such as loratadine and levocetirizine hydrochloride can be taken when there are systemic symptoms, which can control the development of local inflammation. In severe cases, it is also necessary to take prednisone and other glucocorticoid drugs. Specifically need to go to the hospital, follow the doctor’s prescription medication treatment.