Bone break, or fracture, is quite common in children’s trauma, especially falling from a height. No matter which part of the break is or how small the wound looks, as long as the fracture is made, one must see a doctor. The manifestation of fracture is the friction of hard objects when the wound part moves. The wound will be red and swollen. The injured part cannot move, it is very painful to move or cannot bear the force, and children will refuse you to move that part. How to take off or cut off the clothes on the injured part of the fracture? Wrap some ice cubes with towels and apply them to the injured parts. Fix the injured limb in the position where the problem occurred; Simple fixation at the fracture site, It is better to have a splint. The splint can keep the bone from moving until you see a doctor. Temporary plywood can be made of small wood or cardboard or even folded multi-layer newspapers. Roll it up and tie it with an elastic bandage or strap. Before seeing a doctor, don’t let the child eat or drink to prevent surgery. Don’t easily move the child. Suspect that the child’s head, neck or back are seriously injured, or the broken end of a bone is punctured and exposed to the skin. Then, while waiting for rescue, you need to: keep the child lying down all the time; Don’t clean the wound and don’t plug back any poked parts. How Prevention of Fractures in reality, fractures cannot be completely prevented, but you can make it happen less. 1. Safety education, including for parents and children; 2. Safety doors are used at the upper and lower entrances of bedrooms and stairs, which can effectively protect infants. 3. Emphasize the importance of safety equipment such as helmets when riding bicycles and tricycles, skateboarding and roller skating or any similar sports.