Plantar abrasion blisters, usually due to walking too much or shoes do not fit the foot, foot tissue after a long and more intense friction, resulting in tissue cell rupture, epidermis and dermis due to external forces and separation, local skin tissue edema exudation, the formation of blisters, should be determined according to the size of the blister treatment: 1, small blisters: if the size of the blister does not exceed 1cm, generally do not need to carry out special treatment, about 1 week will gradually dry If the blister size is larger than 1cm, or if the blister protrudes higher than the epidermis, the liquid inside the blister can be extracted with a sterile syringe after disinfection. Be careful not to destroy the epidermis of the blister, which can effectively prevent infection and will dry, crust and heal in about 1-2 weeks. After extracting the fluid with a syringe, appropriate topical anti-inflammatory drugs or daily local treatment with iodophor can be applied. Patients are advised to maintain good living habits, pay attention to personal hygiene, change shoes and socks regularly, try to wear looser shoes, do not stand and rub for a long time, keep the local area dry and clean, and should also be cautious about eating spicy and other foods with irritation, such as chili, pepper, etc.