Children are very active, so they are easy to be injured, especially bone trauma, if not handled properly, the child’s whole life will be hurt. 1, children’s bone trauma is different from adults ① children’s bones in the structure and function is different from adults, children’s bone elasticity and poor strength, so the results of injuries are different. Children’s bones are more elastic and less strong, so the results of injuries are different. ② The “little man” is not a small “adult”, and the experience of adult injuries should not be applied to children. 2, common causes of injury ① walking hit by a motor vehicle, due to the small size of the child is not easy to be detected. Guiyang Municipal Maternal and Child Health Hospital Pediatric Surgery Chen Houping ② Climbing balconies from high fall injury. ③Infant or toddler falls and injuries. ④ Playing without attention to protection and injury (skating, scooter). 3, resulting in injury characteristics ① can cause green branch fracture. ② joint dislocation (dislocation) less, more epiphyseal injury. (3) The damage to the epiphysis will affect the growth and development of the limb. Fractures heal quickly, the smaller the faster. ⑤ Bone plasticity. Temporary fixation, protection of the affected limb, quickly sent to the hospital with professional pediatric orthopedics treatment. 5.Prevention in life ①Parents raise the awareness of prevention, abide by traffic regulations, avoid traffic accidents, and educate children not to play on the road. ② do not carry out dangerous activities; some seemingly safe activities are not, such as repeated occurrence in the inflatable trampoline when playing elbow injury. ③Perform injury-prone sports such as ice skating, skateboarding, bicycling, etc. to do a good job of protection, wear elbow pads, wrist pads, knee pads and other protective gear.