Frequent nosebleeds in children may be due to dry air, sinusitis, deviated nasal septum, idiopathic thrombocytopenia, etc. General treatment, medication and surgery should be given according to their causes. 1. Dry air: you can improve the indoor environment, apply humidifier, drink more water, and apply peppermint oil nasal drops to keep the nasal cavity moist to relieve nosebleeds. 2. Sinusitis: sinus inflammation leads to nasal mucous membrane erosion, bleeding, can be given physiological sea saline rinse nasal cavity, the application of mometasone furoate nasal spray nasal spray, if the presence of anaerobic bacteria can be taken orally tinidazole and other medications, if necessary, endoscopic sinus surgery treatment. 3. Deviated nasal septum: The deviated structure of nasal septum leads to frequent nosebleeds, which can be treated by septoplasty or nasal septum correction. 4. Blood system diseases: such as idiopathic thrombocytopenia, which can cause frequent nosebleeds in children, can be given glucocorticosteroids, such as prednisone acetate, dexamethasone, etc., combined with the application of recombinant human thrombopoietin treatment, and splenectomy treatment if necessary. Children with frequent nosebleeds are advised to seek prompt medical attention and treatment as prescribed by the doctor. The drugs mentioned above are recommended to be used under the guidance of a doctor, and should not be used blindly on their own to avoid adverse effects.