After the finger is squeezed by the door, that is to say, squeezed after the manifestation of obvious purple obvious pain, should go to the hospital in time to deal with, and also need to carry out the finger and related joints of X-ray examination. Because the trauma is also easy to lead to phalangeal injury and local soft tissue injury, then if the fracture is clear should be effective external fixation. In the acute stage of simple soft tissue injuries, if there is obvious vascular damage to the formation of hematoma or affect the blood supply of the distal limb, then if necessary, further surgical exploration should be carried out, and if necessary, vascular anastomosis is also needed. Simple injuries in the acute stage can choose the method of ice packs also has the role of auxiliary pain, can also be used with oral pain medication, can apply indomethacin or diclofenac pain, and in the treatment period should also pay attention to observe the changes in the blood flow of the distal part of the finger.