Keep nosebleeds, you can stop the bleeding by the following: First, lower your head to let the nosebleeds flow out, you should immediately lower your head to let the nosebleeds flow out from the nostrils to avoid nosebleeds flowing backward through the nasopharynx to the mouth, or even down to the stomach, causing irritation symptoms of the digestive tract and vomiting. Second, cold water, cold towel cold compresses, using cold water, cold towel compresses on the root of the nose, the middle of the forehead and the back of the neck, so repeated several times, can reduce the temperature of the body surface, promote vasoconstriction, thereby reducing bleeding, in order to alleviate nosebleeds or even stop the purpose of nosebleeds. Third, pinch the nose to stop the bleeding, gently press and pinch from both sides of the nostril to the middle of the nasal bridge, breathe hard, usually 4-8 times later to be able to stop the bleeding. Fourth, cotton balls, paper towels to fill. If pinching the nose can not stop bleeding or less comfortable, you can use tissue, cotton balls or gauze to fill in the nasal cavity, generally a few minutes of time, you can achieve the effect of pressure to stop bleeding. Five, anticoagulation to stop bleeding, when the amount of nosebleed is relatively large and can not stop bleeding by itself, you can use chromic acid to scald off the bleeding point of nosebleed or electrocoagulation to achieve the purpose of hemostasis, but you must go to a regular hospital, examined by a professional doctor, and find the bleeding point after the operation. If the bleeding site is relatively backward, the patient cannot tolerate the above methods of hemostasis or the nosebleed caused by tumor, etc., surgical methods may be needed to stop the bleeding, and the relevant surgery should be performed in a regular hospital.