Diagnosis Unilateral purulent drainage with foul smell in children -Foreign body in the nose? History; nasal examination; plain X-ray; CT scan Treatment Remove foreign body in different ways Prevent foreign body in the nose in bronchiDiagnosis： Unilateral purulent drainage with foul smell in children ——Foreign body in the nose? History； nasal examination； plain X-ray; CT scan Treatment： Remove foreign body in different ways Prevent foreign body in the nosein bronchi