Children often nosebleeds should be differentiated according to the cause, if it is caused by physiological factors, such as environmental dryness, nose picking, etc., pay attention to daily habits can be, if it is caused by rhinitis, septal deviation and other diseases, need to be treated through medication, surgery to cure the root. 1. Physiological factors: If the indoor environment is very dry, it may lead to dry nasal mucosa, rupture bleeding phenomenon, it may also be caused by nose picking leading to nasal mucosa breakage. You can place a humidifier in the room to keep the indoor humidity appropriate. Avoid the phenomenon of children picking their noses again. 2. Rhinitis: rhinitis can lead to nasal mucous membrane damage and lead to nosebleeds, if it is caused by bacterial infection, you can take amoxicillin and other antibacterial drugs to treat; if it is caused by allergies, you can take loratadine and other antisensitizing medications to treat, and keep the nasal cavity hygiene during treatment. 3. Deviated nasal septum: Deviated nasal septum can also cause nosebleed, if you do the surgery, the septum submucosal correction is the main, the surgery needs to remove the deviated part of the bone and cartilage. You need to correct bad hygiene habits and avoid blowing your nose too hard. When children have frequent nosebleeds, they need to be examined in time and treated according to the specific cause of the disease, and prolonged untreated nosebleeds may lead to anemia.