White scars after skin freezing can be treated by using topical restorative drugs, laser selective removal, skin grafting surgery and so on. 1. Topical application of restorative drugs: Tacrolimus ointment, pimecrolimus cream and other drugs promote the increase of melanin and improve the loss of pigmentation. Rub the above mentioned topical restorative drugs gently on the area of white scars for 3~5 minutes to promote better absorption by the skin. 2. Laser Selective Removal: Laser is utilized to improve the state of the dermis layer of the skin and promote collagen regeneration to achieve a better effect of removing white scars. 3. Skin grafting surgery: mainly utilizes skin grafting to improve the symptoms of white scars, and keloidectomy surgery is also available for those who need it. In addition, patients need to avoid scratching, rubbing the local skin, avoiding hot water, rubbing and so on in daily life. Patients with white scars after skin freezing have different conditions and different treatments, and all of the above treatments should be carried out in regular medical institutions under the guidance of specialists. Drugs should be used in accordance with the doctor’s instructions, to avoid blind use of drugs, so as not to cause adverse consequences.