The blisters are getting bigger and bigger after the scald, this time belongs to the shallow second degree scald, is due to the inflammatory reaction after the scald, tissue fluid exudation, according to the size of the blisters should be dealt with. If the diameter of the blister is less than 0.5cm, you only need to sterilize iodine povidone and apply scald cream, and pay attention not to break the blister to prevent infection. If the diameter is larger than 0.5cm, or the blisters are small but numerous, you need to disinfect them with iodine first. After disinfection, use a sterile syringe to aspirate the exuded tissue fluid from the blister. Be careful not to remove the skin of the blister during this process, as it protects the wound from bacterial infection and also reduces adhesion of the wound to the gauze. Finally, simply cover the wound with iodophor vaseline gauze, bandage it, and change the dressing regularly. In addition, when accidentally burned, the burned area should be immediately rinsed with running water for 30 minutes to avoid the formation of blisters, after which the wound should be treated in the hospital.