If you wear shoes that don’t fit your feet or walk for a long time, your feet are prone to blisters, and once the blisters are rubbed out the specific solutions are: First, if the blisters are relatively small and small, you can directly use band-aid to protect the blisters and don’t continue to friction. Second, if the blister is relatively large, you can use 75% alcohol in the blister area disinfection, and then use a sterilized syringe, the blister liquid extraction, local topical application of iodine povidone or Pepto-Bismol ointment, fixed with a band-aid. Third, due to the inflammatory reaction produced by local friction, the blisters may arise again, so try not to walk or reduce the time and distance of walking, wearing shoes should be loose and fit.