孤独症系一种起病于 3岁之前的发育性障碍。病因尚不清楚 ,由于病因未明 ,造成临床治疗的困难。目前提倡早期教育和训练 ,我们通过对 5 2例孤独症患儿的临床特征进行综合分析 ,为早诊断、早期干预提供依据。1　对象和方法1.1　对象　病例来源于 2 0 0 1年 10月至2 0 0 2年 6月 Autism is a developmental disorder that starts before the age of 3. The cause is not clear, due to unknown etiology, resulting in clinical treatment difficulties. Currently advocating early education and training, we conducted a comprehensive analysis of 52 cases of autistic children with clinical features, to provide the basis for early diagnosis and early intervention. 1 Subjects and methods 1.1 The object cases from October 2001 to June 2002