小儿气管支气管异物,一般是指来自体外的异物被吸入小儿的呼吸道而言,是耳鼻喉科临床上常见的一个急症,多发生于5岁以下儿童,严重时可危及生命。小儿为什么易发生呼吸道异物呢?原因是小儿对异物的危害性认识不足,有把东西放在口中的习惯,咀嚼功能不够完善(磨牙尚未成长)且喉的保护作用尚不健全,在进食时哭笑,促使异物吸入气管支气管中。这些异物中最常见的就是花生、瓜子及蚕豆,有时还有各种小铁钉、滚珠和针头,个别孩子还把眼药瓶的橡皮帽或 Pediatric tracheobronchial foreign body, generally refers to foreign bodies from the respiratory tract is inhaled in children, is a common otorhinolaryngology emergency, occurred in children under 5 years of age, can be life-threatening in serious cases. Why children prone to respiratory foreign body? The reason is that children do not know the dangers of foreign body, there is something in the mouth habits, masticatory function is not perfect (molars have not grown) and laryngeal protection is not perfect, crying when eating Laugh, to promote foreign body into the tracheobronchial. The most common of these foreign objects is peanuts, melon seeds and beans, and sometimes a variety of small nails, balls and needles, individual children also put the eye drops bottle rubber cap or