Bleeding lips are mainly related to dry lips, lip lipitis, lip trauma and other factors. 1. Dry lips: it is due to too little water in the body that leads to bleeding lips. In daily life, you should drink more water, eat more fresh fruits and vegetables, supplement high-quality protein, dairy products and so on. 2. Lip labiitis: it is due to bacterial infection caused by viral labiitis, which leads to the mucous membrane of the lips to be damaged, and ultimately caused the lips to bleed. In daily life should keep the lips moist, usually apply lip balm, can not bite the lips, lick the lips and tear the dry skin of the lips by hand. 3. Lip trauma: It is due to the lip trauma wound, which leads to bleeding and bleeding seriously, should immediately go to the hospital for effective treatment. Avoid bites, bumps and collisions on the lips in daily life. If the lips bleed a lot and for a long time should go to the hospital in time. Specific symptoms of doctors targeted treatment to avoid more serious conditions.