Mosquito bite blisters belong to insect bite dermatitis, which can be eliminated by general treatment, medication, puncture bandage and other methods. 1. General treatment: keep the skin clean and hygienic, avoid scratching, avoid hot water, can be localized cold compresses to reduce edema, relieve the symptoms of itching. 2. Drug treatment: small blisters without rupture can be used externally with glycerine lotion, hydrocortisone ointment, tretinoin cream and other drugs for treatment. Serious cases can take cetirizine, loratadine and other drugs for treatment. 3. Puncture and bandage: If the blisters are large and the exudate is large, the blisters and the surrounding skin should be sterilized with iodine, the bottom of the blisters should be punctured with a sterile needle to discharge the exudate, and then sterilized with iodine again and bandaged with sterile gauze to prevent infection. Insect bite dermatitis is recommended to consult a doctor in time, the drug needs to be used under the guidance of a professional doctor.