Frostbite is caused by improper insulation and long-term exposure to cold and wet conditions, resulting in local tissue damage. It occurs easily in early winter and early spring. Frostbite occurs on the extremities and exposed areas, such as the fingers, ears, and nose tip. Local manifestations are edema, purplish-red plaques or hard nodules, discolored by pressure, with clear boundaries, and in severe cases, blisters with itching and pain. Treatment includes general treatment and medication: 1. general treatment: 1. keep warm: need to leave the cold environment as soon as possible, keep dry, and do a good job of hand warming measures; 2. exercise: appropriate exercise, such as race walking, running, etc., to promote blood circulation and improve the body’s tolerance to cold; 3. strengthen nutrition: no need to avoid eating, should maintain a high protein and vitamin-rich diet to meet the skin repair needs. Second, drug treatment: If the symptoms are mild, follow the doctor’s instructions to apply local topical frostbite cream-type drugs for treatment; if the symptoms are relatively serious, the phenomenon of local ulcers, only external cream application is not effective, you need to assist oral antibiotic drugs for treatment. Frozen skin should be allowed to warm up gradually, and frozen skin should not be thawed immediately by soaking in hot water or baking over a fire to prevent the sudden rise in temperature from worsening frostbite. The damaged skin needs to avoid friction and should be kept dry. Avoid scratching if there is itching to prevent secondary infection. If the condition is more serious, you need to go to the hospital immediately for treatment to avoid delaying the condition.