The child often nosebleed check is still normal, may be the nasal cavity dry, sinusitis, often with the hand digging nostrils and other reasons. 1. Nasal dryness: nasal dryness and living in the region and the season has a relationship, the north, fall and winter seasons are drier, which can easily lead to the rupture of capillaries in the nasal cavity, nosebleeds. 2. Sinusitis: Inflammation can cause nasal mucosal edema and capillary dilatation, which can also lead to increased secretions, nose blockage, will blow your nose, nasal pressure increases, which will make the capillaries rupture, nosebleeds. 3. often digging the nostrils with the hands: because the nails themselves are relatively hard, often digging the nostrils with the hands will accidentally poke the capillaries, nosebleeds. Children often nosebleed check is normal may also be seen in the nasal septum deviation, capillary dilatation and other diseases, if the child often nosebleed check is normal symptoms, persistent without relief, the need for timely medical treatment.