When parents bring up their children, they sometimes find that their children often have nosebleeds. There are many situations that cause nosebleeds in children, which can be divided into the following categories: First, damage to the nasal mucosa. Children’s nasal mucosa is very fragile, if the weather is too dry, or breathing too fast, will cause some stimulation of the nasal mucosa, thus causing congestion of the nasal mucosa and lead to bleeding phenomenon. This is a common phenomenon that leads to nosebleeds in children, so parents must pay attention to keeping their children warm when they take them, and replenish more water to keep the nasal mucosa moist. Second, trauma leads to. Children are more active, sometimes there will inevitably be some bump, and our nasal bone is very fragile, if hit hard, it will lead to injury to the nose, thus triggering traumatic bleeding phenomenon, some nose damage is serious, but also lead to repeated bleeding later. So everyday we must pay attention to the magnitude of the child’s play, to reduce the bump. Third, pick your nose with your hands. Some children have the habit of digging their nostrils, this is not only unhygienic, but also damage to the nasal cavity, our nose has a certain protective film, if wantonly destroyed, it is easy to cause damage to the nasal mucosa, resulting in nosebleeds. Finally, children’s noses are quite fragile, so children should be taught to protect their noses on a daily basis, and if they have frequent nosebleeds, they also need to be excluded from blood system diseases.