Nail clip, first of all, you can ice your fingers, but do not let the ice directly touch the fingers. Available towel or handkerchief, a single layer wrapped can be, ice time 20-30 minutes, remember to rub the wound to avoid causing infection. If the pinch injury is not serious, but there is skin rupture, the wound is cleaned with saline, then coated with red mercury, and then wrapped with sterile gauze, fixed. In addition, pay attention to the loosening and tightening to moderate. If the splint is more serious, it may cause toe bone fracture, fracture or joint dislocation; some have muscle, ligament and soft tissue contusion and extrusion. In this case, it is necessary to fix the joint with two splints to prevent further damage and to send it to the hospital immediately for consultation and treatment.