Ⅱ degree burns (blister burns): the trauma surface blisters, according to the color of the trauma surface skin under the blister and there are shallow Ⅱ degree and deep Ⅱ burns. Shallow Ⅱ degree burns (below): all blister skin peeled off, the skin under the blister is pink, usually 1-2 weeks to heal, if not infected there will be no scar, pain is intense!