Lip contusion bleeding can be treated by stopping bleeding, cleaning up the wound, disinfecting and keeping the wound dry and breathable and other operations. 1. Lip contusion bleeding skin surface defects will make the blood flow with the wound, at this time the body’s coagulation function will be activated, the wound is small enough to wait for the blood to be transformed into gel to achieve the effect of hemostasis, the wound area is large enough to stop bleeding by pressing, pressing time should be maintained at about 15 minutes. 2. The dirt on the lip contusion wound must be disposed of from the wound first to avoid secondary infection of the wound, at this time, you can choose to use saline or water to wash the wound repeatedly, the force should be gentle, to prevent the force is too large to prevent the wound from being strained, triggering bleeding. 3. In order to prevent secondary infection after the lip mucous membrane is broken, it is necessary to disinfect the wound with alcohol or povidone-iodine, which can effectively avoid pathogen infection. 4. Lip wounds need to be kept ventilated and breathable, the bandage should not be too tight, which is not conducive to wound healing and recovery, the bandage wound can choose medical type breathable bandage or medical gauze. If the lip accidentally occurred contusion, should be timely medical treatment, not unauthorized treatment, so as not to delay the condition. Wound hygiene care on weekdays, quit smoking and drinking, and maintain a regular routine.