The purpose of the study was to examine the effect of developmental therapy curriculum objectives on the social adaptive ability for children with autism. The subject of the study were three males with autism as an experimental group and three males without disabilities as a comparative group. To investigate the purpose of the study, a developmental therapy curriculum objectives was applied to the experimental group during ten weeks. The results of the study were as follows: First, in the area of self-care skills, two groups showed a significantly difference statistically after the intervention at the level of 0.05. Also, there was significant difference before and after intervention of the experimental group at the level of 0.01. Second, social skills in the classroom was significantly different statistically between two groups at the level of 0.01, and between before and after intervention of the experimental group at the level of 0.01. Social skills in the schools was significant between groups and before and after intervention of the experimental group at the level of 0.05. Third, personal relation skills and appropriate reaction skills were not significantly different between groups or before and after intervention of the experimental group.