The main reason for bleeding nose is inflammation of nasal mucosa, dry nasal cavity, ulcers in the mucosa can easily cause a small amount of bleeding, you can use the appropriate amount of drugs to remove heat and fire, you can also supplement vitamin C. In the diet, you need to drink more water, avoid eating stimulating food, the air is dry when you need to pay special attention. If it does not improve repeatedly, you should also consider that it is caused by nasal polyp tumor, you need to go to the hospital to do a detailed examination to identify the cause, due to these two conditions generally need to be treated surgically. If nosebleeds occur suddenly and the amount is large, mainly due to the rupture of mucosal vessels in the nasal cavity, you can first use ice to stop the bleeding, you can also compress both sides of the nose, if the symptoms are more serious and bleeding more, you need to use endoscopic call coagulation to stop the bleeding.