Right now, with the country to expand domestic demand, all kinds of construction projects have been in full swing, some workers in the construction process, do not pay attention to their own safety issues, resulting in the operation of chainsaws, textile equipment, broken fingers, broken palm disability phenomenon occurs from time to time. These injuries are mainly engaged in carpentry, chainsaws, textile equipment operation workers, most of them are due to neglect of self-protection resulting in injuries, so staff must pay attention to their own safety, comply with the workflow. At the same time, the injured person also needs the necessary protection for the severed finger before consultation, because once the severed finger is not well protected, it will not only increase the difficulty of surgery, but also affect the survival rate of the severed finger. In order to make the injured finger as non-disabling as possible, one is not to discard the broken finger; the second is to properly preserve and timely transfer the broken finger. If a limb injury occurs in life, the limb should first be wrapped in several layers of sterile gauze, put into a plastic bag or rubber bag that does not leak, tie the mouth of the bag, put into a vessel with ice, do not put the limb in direct contact with ice to avoid frostbite, nor should the limb be soaked directly into any liquid. If the contamination is not serious generally do not need to rinse.