Unilateral nosebleeds, most cases are caused by the nose itself, in the occurrence of nosebleeds can be pressed on both sides of the nose, at the same time, head down and open the mouth, forehead and neck cold compresses, if you can quickly stop, generally do not need to worry too much about it, within three days there is no reoccurrence of bleeding, generally can be gradually healed. For recurring symptoms, you need to go to the hospital to improve the nasal endoscopy when the nosebleed occurs, to clarify the situation of the nasal cavity, there is an exact site of bleeding need to choose electrocoagulation hemostasis or nasal tamponade method. If the bleeding is diffuse in the nasal cavity, it is necessary to improve other systemic examinations as soon as possible, such as blood tests, mainly to exclude systemic diseases in the nose, such as hematologic diseases, vitamin deficiencies and so on. Elderly people may be related to hypertension and arteriosclerosis, and need to actively treat the primary disease, the symptoms of nasal bleeding can be quickly recovered.