Peking University Medical Center's Brain Healthy Child Development Center provides intervention services for autism and other developmental disorders, and based on the applied behavior analysis method (ABA), it helps to solve the problem of ability development of autistic children under 8 years old at different ages. According to the evaluation and analysis of children's functions, we should make personalized education plan (IEP) and personalized family service plan (IFSP) for children and their families, and improve children's comprehensive skills (including language, behavior management, collective skills, social skills, etc.). Through the implementation of professional school intervention and family guidance services, it helps families to continuously improve their integration skills and promote children's better integration into kindergartens and society.