Nose picking in children can lead to intracranial infections, but this is relatively rare. Under normal circumstances, children’s nasal and pharyngeal cavities, as well as the base of the skull, are structurally intact, so picking their noses is mostly free of intracranial infections. However, the corners of the mouth on both sides to the root of the nose is the facial danger triangle, and the intracranial cavernous sinuses are connected, the lack of barrier. If children often use unclean hands to dig the nostrils may bring bacteria, viruses and other nasal mucosa, secondary infection leading to nasal vestibulitis, the condition of the serious may trigger intracranial infection. It is recommended not to let children often pick their nostrils, want to clean the children’s nasal cavity can use a disposable clean cotton swabs dipped in a little water, rolling clean, if the nasal cavity discomfort, need to go to the ENT immediately to avoid serious situations.