If the patient has a nosebleed, the bleeding speed is relatively fast and the amount is relatively large, sometimes it will flow into the back of the nostril to form a blood clot, and spit out from the mouth, usually dark black, the patient should not be afraid, sometimes it will be swallowed into the stomach, the patient will have stomach discomfort after a period of time, and even black stool will appear, all belong to the normal phenomenon. After a nosebleed, patients first need to actively stop the bleeding, you can use cotton balls stuffed in the bleeding side of the nasal cavity, and then use your hands to press both sides of the nose, can effectively play the role of pressure to stop the bleeding, try not to tilt your head, if there is blood inside the mouth directly spit out. If the patient has no problems with coagulation, the bleeding can be stopped in about 5-10 minutes. If the bleeding is particularly large, it is best to go to the ENT department of the hospital for a detailed examination and perfect nasal endoscopy to clarify the bleeding point and then stop the bleeding directly.