Nosebleeds in children, there are many children who have always had nosebleeds, so there is no need for special concern. The causes can be mainly summarized as dryness, erosion, ulceration and sores of the mucous membrane of the nasal cavity. Coupled with the possibility that the child usually has some bad habits, such as rubbing the nose and digging the nostrils, resulting in the rupture and bleeding of small blood vessels in the skin mucosa. For this case, parents are advised to first press the nasal cavity with their fingers, then block the bleeding nasal cavity with a clean cotton ball, keep the child’s head in a low forward position and breathe with an open mouth. If there is blood in the mouth, spit it out in time to avoid causing bleeding accidental aspiration. Observe for about 3-5 minutes through this situation to see if the bleeding can be stopped. If bleeding is still present, it is recommended to go to the ENT clinic of the hospital as soon as possible for further caulking treatment, and if a small vein with progressive bleeding is found, the bleeding can be stopped by electrocoagulation. It is important to try to keep the air in the house moist, maintain good habits, and eat more vegetables and fruits.