Children picking their noses and bleeding should first stop the bleeding urgently, and after the bleeding stops, it is recommended to go to the ear, nose and throat department of the hospital, and the doctor will decide whether further examination and treatment are needed. Nosebleeds in children are mostly caused by poor nutritional intake due to poor dietary habits such as partial feeding, irregular nose blowing, nose picking and other bad habits, but may also be seen in acute and chronic rhinitis, deviated septum, etc., and less common in nasal sinus tumors. Once a child picking his nose bleeding, it is recommended to go to the hospital ear, nose and throat examination to clarify the cause of the disease. Children picking their noses bleeding, the first thing to do is to stop the bleeding in an emergency, you can use the nasal pressure method, cold compresses, nostril stuffing method and so on. If ineffective, it is recommended to go to the hospital as soon as possible to the Department of Otorhinolaryngology emergency bleeding. If the bleeding frequency, large amount, consider the possibility of pathological factors, need to go to the regular hospital otolaryngology as soon as possible to improve the relevant examination, under the guidance of the doctor standardized diagnosis and treatment. In daily life, parents need to pay attention to balanced nutrition for children, use scientific methods to blow the nose, do not pick the nose, and rinse the nasal cavity with saline on a regular basis. In case of nosebleeds, it is recommended to go to the ENT department of the hospital as soon as possible to avoid serious consequences.