Children often have nasal bleeding, which generally has very many causes. The most common causes such as the rupture of the dilated capillaries in the nasal septum or the dry rupture of the nasal mucosa cause bleeding. In addition, hemangioma of the nasal cavity and deviated nasal septum can cause nasal bleeding. Generally, the bleeding is relatively large and can be stopped on its own or filled with cotton ball gauze, which can cause hemostasis. If the bleeding is repeated, it may also be a systemic disease. Such as hematological diseases caused by the most common are leukemia, hemophilia, thrombocytopenic purpura, aplastic anemia, etc., which can also cause recurrent nasal bleeding. If there is recurrent nasal, and the bleeding is relatively large, you need to go to the hospital to check the blood routine, coagulation four, you can go to the ear, nose and throat examination, in order to clarify the diagnosis, only to be able to treat the symptoms.