The aim of the current research is to develop environmental behavior in children with autism disorder, as well as to reveal a program of sports games to develop environmental behavior in children with autism disorder. Environmental behavior after verifying its validity and scientific stability on a group of children with autism disorder at the My Powers Center for the Treatment of Children with Special Needs in Cairo. There are statistically significant differences between the average ranks of children with autism, the study sample before applying the program, and the average ranks of the same group after applying the program on the scale of environmental behavior development (the axis of wrong environmental behaviors, the axis of domestic environmental behavior, the axis of domestic environmental behavior) in the direction of the post-measurement, as The results showed the effectiveness of a program of sports games to develop environmental behavior among children with autism, and the research recommended including sports programs within the educational programs for the treatment of children with autism because of its impact on developing visual communication skills and social interaction skills, as well as interest in developing environmental behaviors among children with autism due to its direct impact On their educational behavior and positive participation.