Unstoppable nose bleeding may be caused by blood system diseases, ruptured nasal hemangioma and other diseases. 1. Blood system diseases: leukemia, thrombocytopenia, etc., can cause nosebleed, bleeding more, not easy to stop bleeding. 2. Nasal hemangioma: the cause of the disease is more complex, mostly considered to be related to certain disease-causing gene mutations, the balance between angiogenic factors and angiogenesis inhibitory factors is out of balance, etc. The patient will often have repeated nosebleeds, which can be manifested as the nose bleeds can not be stopped. The patient may also develop secondary anemia, and in severe cases, shock may occur. If you can’t stop bleeding from the nose, you should consult a doctor in time to find out the cause of the bleeding and carry out targeted treatment.