Frostbite running water can be regularly disinfected to the affected area, but also in the affected area of the topical application of drugs to prevent infection, in addition, should also be directed to the treatment of frostbite, patients should pay attention to cold and warmth, but also the use of drugs to dilate blood vessels, improve blood circulation. Frostbite is a kind of skin inflammation damage disease that occurs in the cold season, the disease is related to the poor blood circulation of the periphery of the limbs, frostbite running water indicates that the local skin breaks down, due to the destruction of the local skin barrier can be infected, so it is necessary to use iodine pov and other disinfectants on a regular basis to disinfect the affected area, but also to use erythromycin soft and other drugs to prevent infection. In addition, frostbite should also be treated, patients should pay attention to cold and warmth, can be infrared radiation to promote local blood circulation, but also oral niacinamide, nifedipine, dipyridamole and other drugs to help vasodilatation, improve blood circulation. If the symptoms of frostbite appear to flow, please follow the doctor’s instructions for treatment.