The manual reveals one of the most important problems in developmental disabilities - autism. Information is presented on the characteristics of the mental development of children with early autism, clinical and psychological classification, comparative characteristics of the development of motor skills, speech of a normally developing child and a child with RDA, methods of correctional and pedagogical assistance, and diagnosis of autism. The proposed examination methods will help to promptly identify disorders in the development of intellectual, emotional and other areas in children and seek advice from specialists. The author offers games, exercises, and fragments of lessons that can be used at different stages of correctional work by speech-language pathologists, educators, and parents. The book is designed for a wide range of specialists who work with autistic children, and can also be used by students of pedagogical universities and secondary specialized educational institutions, parents with children diagnosed with RDA.