If a child has a nosebleed once in a while, it may be a common thing, if repeated nosebleeds, clinically it is a kind of abnormal performance, for this kind of situation, it is recommended that the patient go to the ENT clinic by the doctor to check the situation of the nasal cavity, and improve the blood routine, coagulation function and other related aspects of the examination. Clinically, there may be the following reasons for this situation: the first situation, the local factors of the nasal cavity, some patients, such as the emergence of the nasal cavity of the local mucous membrane of the dryness, vesicles, ulceration induced by submucosal arterial hemorrhage, a common site of bleeding is the Leigh’s area, the causative factor may be the weather is dry, some patients often picking their noses, touching their noses, rubbing their noses leading to the nasal cavity of the local mucous membrane tearing, or some patients are often picky eaters, unhealthy diet leading to a lack of vitamins, easy to Unhealthy lead to the whole body lack of vitamins, easy to induce blood vessel wall rupture, hemorrhage, etc. Clinically, you can use compound menthol nose drops, you can also use erythromycin ophthalmic ointment to smear the nasal cavity. The second situation, some patients have coagulation dysfunction, thrombocytopenia and other triggers lead to nasal bleeding, which is also not a normal phenomenon, it is recommended to go to the hematology department for symptomatic treatment.