Itchy blisters on the top of the foot plate, consider the following possibilities: 1, herpes zoster: occurs in the unilateral foot plate, can appear clustered distribution of blisters, accompanied by itching or pain. In terms of treatment, you can take oral vasiclovir hydrochloride granules 0.3g, 2 times/day, and apply ganciclovir ointment 2 times/day externally. If the itching is more serious need to take oral levocetirizine hydrochloride granules, with gabapentin capsules for treatment. 2, tinea pedis: mainly due to fungal infections, in addition to small blisters can also appear in the toes of maceration, whitening, vesiculation, oozing such a situation, the treatment can be taken orally itraconazole capsule 1 time / day, 2 capsules / time, the external use of luliconazole ointment coated with treatment.