Nosebleeds should be lowered. Nosebleeds should not raise the head, should bow the head, try to let the blood flow out, do not let the blood flow to the pharynx, sometimes a large amount of bleeding when raising the head will be swallowed into the stomach, provoking the stomach, the stomach will be obvious nausea, vomiting. After vomiting will lead to increased pressure in the nose, aggravating the nosebleed. So be sure to keep your head down and pinch both sides of your nose with your hands to stop the bleeding with pressure. If the bleeding does not stop, you should go to the hospital and have the doctor take a comprehensive treatment of active bleeding by means of stuffing and electrocoagulation. At the same time need to check the cause, nosebleed some because of rhinitis, sinusitis and other reasons, some are systemic diseases in the nose. For example, thrombocytopenia. When the symptoms of frequent nosebleeds occur, you should actively seek medical treatment, check out the cause and standardize the treatment.