Frozen hands can be treated according to the degree of frostbite for first aid rewarming, local medication and surgical treatment to achieve the purpose of rapid recovery, but the specific efficacy varies from person to person. Frostbite can be divided into erythematous frostbite of degree I, blistering frostbite of degree II, crusted frostbite of degree III and gangrenous frostbite of degree IV according to the degree of damage. Frostbite should be removed from the cold environment or frozen objects in time, and first-aid rewarming should be carried out quickly. Warm water can be used to soak the method. Hand frostbite general Ⅰ degree frostbite should pay attention to keep the wound clean and dry, usually a few days later can be improved. Can also be appropriate application of vitamin E ointment, frostbite cream for treatment. After rewarming and sterilizing the frostbite, frostbite cream can be applied appropriately. If there is a large blister, the fluid in the blister needs to be removed. Soft dry gauze can usually be used for bandaging. Those with frostbite of degree III or higher need to use exposure therapy, which involves removing necrotic tissue through surgical debridement, for example. After the necrotic tissue is removed, skin grafts etc. can be applied to aid recovery. If there is any discomfort, prompt medical attention is recommended. The use of specific drugs should be under the guidance of a doctor.