When there is a continuous nosebleed for a few days, it is commonly seen clinically as epistaxis, the main cause of which is dryness of the nasal mucosa, hypertension, and diabetes mellitus, which causes rupture of the arterial vessels in the Littell zone of the nasal septal mucosal arteriolar plexus and hemorrhage. This vessel is arterial, bleeding is more acute, often recurring and difficult to recover. Therefore, when this symptom occurs, you need to go to the hospital in time to perform electronic rhinoscopy, find the nasal mucosa of the arterial plexus of the Little area, clear arterial bleeding point, clear after the need for local anesthesia under the rhinoscopy arterial laser and plasma coagulation surgery. After the operation, topical vitamin AD drops and Befosol gel should be used for one week.