After the foot abrasion blisters, it is best not to touch the blister, keep the integrity of the blister, is conducive to the recovery of trauma. If the blister is relatively large, you can first use iodophor to disinfect it well, and then use a sterile syringe at the edge of the blister to suction out the liquid inside the blister, and then apply antibiotic ointment, such as Bactroban ointment or erythromycin ointment externally. Expose the wound as much as possible and avoid getting water on the wound. The blister usually recovers quickly after the above treatment. However, if the blisters are small, try to take care not to touch the blisters and allow them to absorb slowly, and they will be able to heal on their own. However, if the blister has already broken the skin, do not tear off the skin, and pay attention to prevent infection, you can use topical antibiotic ointment, as well as epidermal growth factor gel to promote the repair of alternating application.