Pediatric fractures are characterized by the following points: 1. They occur mostly in the extremities, including the upper arm and forearm of the upper limb, and the thigh and calf of the lower limb. 2. Local swelling and pain are relatively mild. 3. The fracture type is mostly a bruise fracture, a crack fracture, or an incomplete fracture such as an insertion fracture, which has relatively good stability and can be recovered by manual repositioning. 4. The prognosis is good, the fracture healing is relatively fast during the growth and development of children, usually 2-3 weeks to achieve clinical healing, the child can resume normal walking, running, jumping, and upper limb grasping, pinching, holding, grip, learning, etc.