Feet grinding out blisters, need to be treated according to the size of the blisters, blisters are small, through the life conditioning can alleviate the symptoms, blisters are larger, should also use drugs (erythromycin ointment, etc.) or other methods of treatment. 1. Life conditioning: If the blisters are small, you need to pay attention to reduce the stimulation, you should change a pair of shoes, to avoid the blister area again friction. Usually after a few days, the blisters can be absorbed and relieved by themselves. 2. Use of drugs: If the blisters have broken, it is very likely to cause infection, you can apply erythromycin ointment and other medication, and then wrapped with sterile gauze. 3. Other methods: If the blisters are large, they need to be punctured in time. You can use iodophor to sterilize it locally, and then use a sterile syringe to draw out the liquid inside, so that the blister will not be rubbed by the shoes to break. It is recommended that patients seek medical treatment in a timely manner, actively cooperate with the doctor’s treatment, and avoid self-treatment.