Back ground & Aim: Autism is a complicated disorder seems that a disorder in nervous system lead to malfunction of brain.  This study’s purpose was to investigate the effect of various sensory stimulations on decreasing hyperactivity behaviors and increasing attention and concentration of autistic child to the environmental stimulation.

Materials & Methods: In this study, the subject was a 10 year boy with mental age of 4, identified as an autistic case with hyperactive behaviors was referred to a speech therapy clinic. Training period was about in 60 sessions and done by a speech therapist.

Results: The result showed that effect of various sensory stimulations could be effective on reducing hyperactivity behaviors and increasing attention and concentration to environmental stimulation in autistic child.

Conclusion: Results showed that sensory stimulation programs in therapeutic sessions of autistic children could result in significant outcomes in reduction of their problems in attention, concentration and communication.