Suddenly walking more for a period of time, the skin on the feet and shoes rubbing too much is prone to skin blistering. More superficial skin abrasions may be blisters, and deeper ones may appear as blood blisters. At first there is very obvious pain, but in any case no other special treatment is needed, as long as as as much as possible bed rest, do not wear on the part, blisters or blood blisters do not pick to break, and wait for its slow absorption can be. In this process, we should observe the specific nature of the bubble, changes, to prevent the emergence of septic, infection. If there is septicemia and infection, you need to go to the hospital urgently to clean, disinfect and dress the wound. If there is no such situation, you can rest in bed and avoid too much friction. 7-10 days or so, the whole blister can be gradually absorbed, the skin is dry and flat, waiting for the scab and fall off.