er] Objective: To investigate the behavioral characteristics of mild autism children. Methods: The behaviors of 30 mild and 22 severe autism children were evaluated with Childhood Autism Rating Scale(CARS). Results: Significant difference in social interaction, emotional reaction, verbal and nonverbal communication and stereotyped behaviors were observed between mild and severe autism children. Abnormal sense, repetitive body movements, aggressive and self-injury behaviors are less common in mild group. The average age at diagnosis is 47.2 months in mild group and 37.8 months in severe group. Conclusion: Mild autism children usually showed mild symptoms which make their clinical manifestation atypical,and their age at diagnosis is older than that of severe autism children.
