Common causes of nosebleeds in children include colds, rhinitis, blood diseases, etc. According to the causes, choose the appropriate drugs, such as aminophenol xanthamin granules, loratadine and so on. 1. Cold: it is easy to cause nasal mucous membrane congestion, when blowing the nose, there may be nosebleed. You can take aminophenol xanthamin granules to reduce the stimulation of nasal mucous membrane by nasal secretion, so as to treat nosebleed. 2. Rhinitis: It is easy to cause nasal congestion, nasal itching and other symptoms, children’s habitual nose blowing or nose picking can cause nosebleeds, you can take loratadine, cetirizine, to relieve nasal discomfort. 3. Blood diseases: such as leukemia, aplastic anemia, etc., repeated bleeding, can be given tranexamic acid, phenol sulfonyl ethylamine, etc., as appropriate, followed by targeted treatment for the primary disease. Nosebleeds in children may also have other causes, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, and then give targeted treatment or treatment.