小儿突然窒息的发生率较成人高。现将作者近10年来所见的突然窒息病例，分类列举讨论。一、呼吸道异物呼吸道异物是否引起窒息与异物大小、种类和存留部位有关。一般呼吸道异物不一定引起突然窒息，若异物嵌入喉腔、稍大的异物嵌于气管或活动性异物、双侧支气管异物等，均能引 The incidence of sudden asphyxia in children is higher than in adults. Now the author seen in the past 10 years, sudden suffocation cases, classified discussion. First, the respiratory foreign body Respiratory foreign body caused by asphyxiation and foreign body size, type and location of the site. General respiratory foreign body does not necessarily cause sudden suffocation, if foreign body embedded in the throat, slightly larger foreign body embedded in the trachea or moving foreign body, bilateral bronchial foreign body can lead