If your child’s teeth fall out and bleed during tooth replacement, you can stop the bleeding by applying pressure by biting firmly on a sterile cotton roll. If the bleeding is heavy or if the bleeding does not stop, prompt medical attention is required. Bleeding after a child’s teeth fall out during tooth replacement is mainly due to periodontal membrane tearing and small blood vessel rupture. Generally the bleeding is small and can be stopped by tightly biting the cotton ball. It should be noted that the cotton roll after 30 minutes to spit out, saliva as much as possible to swallow, do not use the tongue to lick the wound, do not eat too hot, too spicy food, so as not to stimulate the wound, bleeding again. If children have blood system diseases, coagulation disorders and other conditions, bleeding can occur a lot or bleeding and other symptoms, you need to bite the sterile cotton roll and timely access to medical care, to clarify the cause of bleeding, under the guidance of the doctor to stop bleeding.