Bleeding on the edge of the tongue is considered to be caused by trauma, and may also be triggered by oral ulcers, lingual inflammation and other factors. 1. Trauma: If you often eat hard objects or are stimulated by external forces, it may lead to bleeding on the edge of the tongue, which can be treated with drugs such as metronidazole and tinidazole under the guidance of a doctor to prevent infection. 2. Oral ulcers: If oral ulcers occur, it may lead to localized ulcerative damage to the oral mucosa, so it will produce symptoms of bleeding on the edges of the tongue, you can use cediriodine tablets, vitamin C and other drugs to treat it. 3. Tongue inflammation: some patients with tongue inflammation due to chronic non-specific inflammation of the tongue, may lead to tongue mucosal damage, bleeding tongue edge symptoms. You can use compound vitamin B, penicillin and other drugs as prescribed by the doctor. Usually need to do a good job of personal dietary care, less eat too greasy spicy stimulating food.