The whitening of the skin after freezing can usually be recovered. Cryosurgery is the use of low-temperature methods, usually around -196 degrees Celsius low temperature can make the local tissue frostbite, denaturation, necrosis and so on to achieve the therapeutic purpose, usually applied to the epidermal superfluous organisms (such as common warts, flat warts, condyloma acuminatum, etc.) and hemangiomas and so on the treatment. Cryotherapy is simple and can be performed without anesthesia. The whitening of the skin after the treatment may be due to the degeneration and necrosis of the local lesion after the treatment, which is a normal reaction of cryotherapy, and after the local necrotic tissues fall off, new tissues will grow and the normal color of the skin can be restored. The whitening of the skin after the treatment may also be the hypopigmentation spots left after the treatment, which can be restored to normal skin color by itself. After the treatment of skin whitening, may also be after the treatment of local skin infection caused by local redness, swelling, pain and so on, it is recommended that the local topical antibiotic ointment, if necessary, can be taken orally sensitive antibiotic treatment. After cryotherapy, we should pay attention to the care of the wound, do not contaminate the surface of the wound, in order to occur inflammation and infection, leaving scars, affecting aesthetics and wound healing. In order to avoid post-freezing wound infection, it is recommended to keep the local wound clean and dry, and use topical antibiotic ointment if necessary. For patients with white skin after freezing, if you are not sure of the cause, it is recommended that you go to the hospital in a timely manner to clarify your condition, so as not to delay your condition.