Generally speaking, itchy skin blisters in summer may be caused by herpes sweating, blistering eczema, blistering tinea cruris, etc. It can be treated and improved by medication and daily life management according to the specific causes. 1. Sweat blisters: also called dyshidrotic eczema, often manifested as translucent blisters the size of a grain of rice, often accompanied by itching, tingling, burning and so on. It can be treated under the guidance of a doctor by applying 1% glycerine lotion, tretinoin ointment, and taking oral loratadine tablets. Daily attention to keep hands clean, dry, avoid scratching to prevent infection. 2. blistering eczema: in summer, due to temperature changes or sun exposure, blistering eczema is likely to occur, itchy symptoms can be used under the guidance of a doctor, such as Dinocap cream, mometasone furoate cream, etc., and pay attention to a light diet, avoid excessive cleaning of the lesions, and avoid the affected areas of the wind or prolonged exposure to sunlight. 3. Blister ringworm: usually caused by fungal infection, blisters and itchy, you can follow the doctor’s advice through terbinafine hydrochloride cream, miconazole nitrate cream, oral itraconazole and other drugs for treatment. Daily attention to hand washing and timely drying. It is recommended that the patient consult a doctor in time to clarify the cause of the disease, corresponding to the treatment, do not use drugs privately. Avoid sunlight during the treatment period, and can not scratch, squeeze, to prevent cross-infection.