Itchy blisters on feet in hot weather can be caused by blistering athlete’s foot, eczema, pimple-like urticaria and other diseases. According to the different diseases can choose the corresponding drug treatment. 1. Blister-type athlete’s foot: blister-type athlete’s foot is a kind of foot skin disease caused by fungal infection, the lesions are deep in the blisters for the first time for the size of a needle tip, blister liquid is clear, the wall is thick and shiny, it is not easy to break, and it can be fused into a multi-housed large blisters. Itching is obvious. This situation can use miconazole cream, terbinafine cream and other antifungal drugs for treatment. 2. Eczema: acute eczema is often manifested as erythema on the basis of the pinpoint to millet size papules, papules, serious cases can appear small blisters, often fused into a piece, the boundary is not clear, self-conscious itching is intense. Glucocorticoid drugs such as tretinoin urea ointment can be used for treatment. 3. papular urticaria: most for bedbugs, mosquitoes, fleas, lice, mites and other bites, a few with food allergies related to summer and fall more common. Oral antihistamines, such as loratadine and cetirizine. Local topical glucocorticoids such as dexamethasone cream. Hot weather feet blisters very itchy may also have other reasons, it is recommended that timely consultation, identify the causes, follow the doctor’s instructions standardized treatment.