气管、支气管异物吸入是小儿常见的意外事故。小儿发生异物吸入的原因主要有以下几种:1.婴幼儿口腔中后牙尚未萌出,咀嚼功能差,经常会将整块食物吞咽下去。2.婴幼儿喉头保护性反射功能不良,使食物或其他物品呛入气管。3.将一些玩具和小物品含在口中哭笑吵闹或躺在床上吃东西(如糖果、花生米、黄豆、瓜子等)时将这些物品吸入气管。因为会咽软骨来不 Tracheal, bronchial foreign body inhalation is a common accident in children. Inhalation of foreign bodies in children mainly due to the following: 1. Infant teeth in the mouth has not yet erupted, chewing poor, often the whole piece of food swallowed. 2. Infantile laryngeal protective reflex dysfunction, so that food or other items choke into the trachea. 3. Put some toys and gadgets in your mouth Do not laugh or laugh in the bed or eat in bed (such as candy, peanuts, soybeans, melon seeds, etc.) will be inhaled into the trachea. Because it will not pharyngeal cartilage