Small blisters (blisters) on the feet are very itchy, considering tinea pedis, eczema, sweat herpes, etc., mainly with medication, according to the different diseases to choose the appropriate drugs. 1. Tinea pedis: this is a fungal infection caused by skin diseases, the more common is Trichophyton rubrum and Tinea capitis, mainly using antifungal drug treatment, can be applied locally miconazole, ketoconazole, but also oral terbinafine, itraconazole. 2. Eczema: Eczema is caused by a variety of internal and external factors of the superficial dermis and epidermal inflammation, if there is oozing, need to carry out wet compresses, such as boric acid solution, esacridine solution, and so that the skin is not oozing after the application of glucocorticoid medications, such as hydrocortisone, dexamethasone cream, there are vesicles, but the exudate does not have much can be applied to the zinc oxide paste. 3. Sweat herpes: Sweat herpes is a blistering skin disease that occurs symmetrically on the hands or feet, and also has intense itching, you can take oral loratadine to stop the itching, you can also apply tretinoin urea ointment, tacrolimus ointment, pimecrolimus ointment and other anti-inflammatory itching. Small blisters on the feet is very itchy should be timely medical care, clear cause after the doctor under the guidance of the treatment, do not self-medication.