Frostbite marks, generally referred to as hyperpigmentation, can be eliminated by fractional laser treatment, chemical skin resurfacing and medication. 1. Fractional laser treatment: belongs to a kind of laser treatment, through the skin to do some small trauma, through the laser photothermal effect to promote skin metabolism, the method has the characteristics of safety and speed. 2. Chemical skin resurfacing: that is to say, using some low concentration of fruit acid or salicylic acid, coating the skin, peeling off the stratum corneum, in order to achieve the purpose of removing hyperpigmentation and so on. 3. Medication. Give some antioxidant drugs to help improve subcutaneous hyperpigmentation, such as topical retinoic acid cream, oral vitamin E pills and so on. Due to the differences in clinical manifestations, the choice of methods will also be different, the specific situation should go to a regular medical institution to ask a specialist for an interview.