Early nosebleeds in children may have the following clinical reasons: First, the nasal cavity is very dry when the patient gets up in the morning, which may easily induce nasal bleeding, more often seen in northern areas, where patients sleep on hot beds or have floor heating at home, or in southern areas where air conditioning is always on at night and other triggers, which may easily lead to fast evaporation of water from the nasal mucosa and easily induce bleeding from ruptured blood vessels under the mucosa. Secondly, some patients sleep too much at night with the covers on, resulting in children easily getting on fire, and fire and liver fire are also likely to induce nose bleeding when patients wake up in the morning. Third, some patients get up in the morning, due to the patient changes position inhaled the dust on the bed sheets, sheets, or allergens easily induced nose itching, sneezing and other related discomfort, in this case coupled with frequent nose picking, also easy to induce the rupture of the nasal mucosa bleeding.