孤独症是发生于儿童学龄前期尤其是幼儿时期的一种神经精神发育障碍,表现为社交障碍、言语发育障碍以及兴趣、情绪和动作行为方面的异常,其病因尚不明了。现有研究提示,某些临床特征是它的危险因素,包括家族史,围生期高危因素、生长发育期异常,家庭环境等。 Autism is a neuropsychiatric disorder that occurs in children’s pre-school, especially in early childhood. The manifestation is social disorder, speech development disorder, and abnormalities in interest, emotion and behavior. The etiology of autism is unknown. Existing research suggests that some clinical features are its risk factors, including family history, perinatal risk factors, abnormal growth and development, family environment and so on.