In winter, when it snows and the roads are icy, it is easy to cause fall accidents. Especially craniocerebral injuries, scalp contusion bleeding, concussion, skull fracture, severe cerebral contusion, intracranial hematoma, and even life-threatening. A few precautions: 1, snowy days, slippery roads, if not mandatory, it is recommended that fewer trips, especially for the elderly and infirm. 2, wear non-slip shoes when going out. 3, small steps slowly, the center of gravity low forward (slightly bent hips and knees, upper body leaning forward). 4. It is recommended to wear a warm hat to keep warm and prevent shocks. 5, walking in the spacious, pedestrian, less icy road surface. 6, once the head injury, especially after the injury with loss of consciousness, headache, vomiting, numbness and weakness of the limbs, as soon as possible hospital checkup and treatment.