阻塞性睡眠呼吸暂停综合征（ＯＳＡＳ）不仅见于成年人，也是儿童的一种常见病。典型的临床表现为睡眠紊乱和噪音性呼吸，肋软骨向内移动的非常规呼吸，可伴有或不伴有呼吸暂停。白天嗜睡，生长发育迟缓或停滞，严重者有心肺功能不全。该文报告２０例４～９岁儿童均有打鼾及夜 Obstructive sleep apnea syndrome (OSAS) is not only seen in adults, but also a common childhood condition. Typical clinical manifestations are sleep disturbances and noisy breathing, unconventional breathing of costal cartilages moving inward with or without apnea. Daytime drowsiness, growth retardation or stagnation, severe heart and lung dysfunction. This article reports 20 cases of children aged 4-9 years have snoring and night