Autism is a sub-category of the developmental pervasive disorders that it has severe effects on individual functions. Autism will be emerged during the third years of life. It is diagnosed by following signs: deficiency in communication, stereotype behaviors and deficiency in social skills. Currently, in some of the exceptional schools established special classes for autistic children. According to the studies, we found that teaching to these children is so hard. Providing an interesting environment, communicating and enjoying of living with autistic children are concerns of teachers who work with autistic children. In this article, it is tried to provide a brief explanation and definition of autism and then introducing benefit strategies for helping teachers for adjusting educational-therapeutic activities with developmental characteristics of autistic children.