婴儿猝死综合征 (ｓｕｄｄｅｎｉｎｆａｎｔｄｅａｔｈｓｙｎｄｒｏｍｅ ,ＳＩＤＳ)是指外观健康的婴儿无明显诱因突然死亡 ,经尸检、病史回顾仍难以完全解释其病因的临床综合征。自 6 0年代起 ,各国学者对其病因进行广泛研究并提出众多学说 ,如 :过热、早产、自主神经功能紊乱 Sudden infant death syndrome (suddeninfantdeathsyndrome, SIDS) refers to the appearance of healthy infants without obvious causes of sudden death, after autopsy, history review is still difficult to fully explain the etiology of clinical syndrome. Since the 1960s, scholars from various countries have conducted extensive research on their causes and put forward many theories such as overheating, premature birth, autonomic dysfunction