Then use the splint for fixation; 4, if it is a long bone fracture of the limbs, in principle, is the first to fix the fracture of the upper end, and then fix the lower end, do not reverse the order; 5, fixation materials such as splints do not contact with the patient’s or the injured person’s skin, and it is best to pad some soft objects in the middle, especially in the bone protruding parts, to be padded with soft cushions or objects, to prevent the compression.