Nosebleed is a very common symptom that almost everyone may have encountered in their life, but there are the following main points in the case of nosebleed: 1. If the bleeding is very small and occasional, it can be stopped by compression or by using some moist nasal medication and can be completely dealt with. But if it is repeated or a large amount of nasal bleeding, it is still recommended that you should go to the hospital to save your life and rule out bad diseases through examination, such as ruptured blood vessels and hemangiomas, which need to be treated with laser or radiofrequency; 2. Repeated bleeding in a relatively large amount needs to go to the hospital. Because if repeatedly a large amount of bleeding, it will cause anemia, especially some elderly people. We need to find the site of bleeding and stop bleeding after treating it by cautery, caulking or vascular ligation, or intervention. In general, patients with rhinorrhea can occasionally handle it by themselves if it is relatively mild, but if the bleeding is relatively large or recurrent, they must go to the hospital for medical consultation, as minor problems can easily cause major problems. In this process of seeking medical attention, there are some methods that can be handled by yourself or first aid: first, if one side of the nasal cavity is bleeding, you can press the nose, or use Yunnan Baiyao cotton tablets to stuff the nasal cavity, and then press the nose; second, you can lower your head, after pressing the nasal cavity, lower your head, do not tilt your head, slightly lower your head; third, if it is fresh blood flowing backwards after the pharyngeal cavity, you must spit it out, you can take a utensil Pick up, be sure to spit out, not swallowed into the stomach. Because many patients are swallowed into the stomach, after swallowing will mislead the doctor’s judgment of the amount of bleeding, may cause stomach discomfort, irritation, nausea, vomiting, after vomiting will lead to a decrease in blood pressure; fourth, remain calm, do not be nervous; fifth, if intermittent bleeding can drink water, you can drink some light saline to maintain normal blood pressure, in this case promptly seek medical attention.