A finger caught in a door needs to be treated accordingly depending on the severity. If the injury is only soft tissue, it can be treated conservatively; if the bleeding is severe, surgery will be required. If the degree of injury of a finger caught in a door is mild, only localized soft tissue swelling occurs and there is no bleeding. Within 48 hours, ice packs can be used to relieve swelling and reduce local blood seepage; if more than 48 hours, hot towels can be used to apply hot compresses, which will help to promote blood circulation and make blood seepage better absorbed. If the finger is pinched by the door of the degree of injury is more serious, bleeding is more, it is necessary to carry out timely debridement suture surgery, regular medication, remove the line; and timely injection of tetanus antitoxin; taking amoxicillin, cefaclor and other antibiotics to prevent infection. At the same time also need to pay attention to whether there is a phalangeal fracture, if necessary, feasible X-ray examination. If there is a fracture of the phalanx, splinting is required. Finger caught in the door, need to actively consult the doctor, according to the severity of the injury comprehensive judgment, to take different treatment methods.