Bleeding gums of babies may be caused by mechanical injury, lack of vitamin C, local inflammation, systemic diseases, etc. It is recommended to consult a doctor in time. 1. Mechanical injury: such as improper brushing, toothbrush is too big, brush bristles are too hard, food embedded in the teeth, toothpicks stabbing gums, etc., can trigger bleeding gums. 2. Vitamin C deficiency: Vitamin C deficiency not only reduces the body’s resistance, but also increases capillary permeability, increasing the risk of gum bleeding. 3. Local inflammation: such as periodontitis, gingivitis, etc., children may also be accompanied by bad breath, pain, local redness and swelling and other uncomfortable symptoms. 4. Systemic diseases: such as leukemia, aplastic anemia, hemophilia, etc., can appear in all parts of the body bleeding points, bleeding gums, skin petechiae, nosebleeds are common, the child may also be accompanied by lymph node enlargement, fatigue, emaciation and other symptoms. If your baby has frequent bleeding gums, you should consult a doctor in time to find out the cause of the disease under the doctor’s guidance, and if necessary, carry out the corresponding treatment, avoid blind judgment on your own to avoid delaying the condition.