Foot blisters need to use drugs according to the cause of the disease, fungal infections can be applied miconazole nitrate cream, eczema can be applied glycerine lotion, local friction can be applied erythromycin ointment and so on. 1. Fungal infections: Fungal infections can lead to tiny blisters in the toe crevice area, accompanied by obvious itching symptoms. You can apply miconazole nitrate cream, amorolfine cream and other drugs, if the symptoms are more serious, but also with oral terbinafine hydrochloride tablets, itraconazole capsules and other drugs. 2. Eczema: Eczema will appear as tiny red rashes, which will ooze and form yellow crusts after scratching. You can apply glycerine lotion, compound dexamethasone acetate cream and other medications, and take vitamin C, cetirizine hydrochloride tablets and other medications orally if necessary. 3. local friction: if the local friction of small blisters, you can use a sterile syringe to suck out the liquid inside, if there is a possibility of infection, you can apply erythromycin ointment and other local drug treatment. It is recommended that patients with blisters on the feet timely consultation, need to identify the cause of the disease, and then strictly comply with the doctor’s prescription medication.