1.Move the patient to a warm place. 2.If the patient stops breathing, open the airway immediately and perform artificial respiration. If the pulse stops beating, perform CPR. 3.Only when the hands and feet are frostbitten, the hands and feet can be soaked in the tiller school 37 to 40 degrees after the patient is stabilized. 4.After recovery of the east injury part, disinfect the affected part and bandage it.