Yesterday was the vernal equinox, and the real spring has really arrived. Spring is the season of less rain, the moisture content of the air is less, the nasal mucous membrane will be dry, thus the chance of nosebleed is more. Especially children with fever and adults with high blood pressure are prone to nosebleeds. If the bleeding area of the small arterial network of the septum of the nose is bleeding, it will bleed quickly and in a large amount, and the patient will have a sense of fear. Bedroom conditions put a humidifier, no conditions of the bedside more containers of water to natural evaporation, to regulate air humidity. And avoid digging nose, go out with a suitable generation of mask, in order to increase the local humidity of the nose. A small amount of bleeding, with a clean cotton ball or clean tissue stuffed into the nose, and pinch the nose with your hand, lower your head so that the nose down, after a few minutes more can stop on their own, do not tilt your head, so that the blood will flow into the mouth and will continue to bleed, serious cases must go to the hospital to.