自闭症也称儿童孤独症,是一种广泛性或称全面性发育障碍。《郎文医学大词典》对自闭症是这样描述的:具有孤独性、内向性、自我中心主义,思想和行为表现为专注自己,把外面世界排除在外,外界似乎对他不具真实性。自闭症是一种严重的普遍存在的发育过程中的行为功能障碍,主要表现为社会联系和交际、语言和认知、对事物的反应、 Autism, also known as autistic children, is a widespread or full-blown developmental disorder. Langham Medical Dictionary describes autism as having autism, introversion, egocentrism, thought and behavior that focus on oneself and exclude the outside world, and the outside world seems to be untrue. Autism is a serious ubiquitous behavioral dysfunction in the developmental process, mainly manifested as social connection and communication, language and cognition, reaction to things,