If the finger injury is disposed of and treated in a hospital, the doctor will give a very professional bandage. If in an emergency situation, you can take the emergency bandage approach, first rinse the more obvious contamination with water, cover the wound with a clean cotton cloth or sterile dressings, using bandages or cotton strips for bandaging. There are several precautions for bandaging: 1, at the same level, try not to use ring bandage, you can stagger a plane for bandaging. Because the ring bandage is easy to affect the blood circulation, produce finger necrosis and other adverse consequences. 2, the bandage should also pay attention to not too loose, not too tight. Too loose is likely to lead to more bleeding, can not play the role of compression hemostasis. The bandage is too tight will affect the blood circulation, resulting in finger hypoxia, ischemia, long time will lead to finger necrosis, after the bandage should be rushed to the hospital in time for disposal.