Objective: The purpose of this research was to study outbreak of Spinal column abnormalities & its relationship with rest habit with respect to anthropometric & ergonometric properties of educable Mentally Retarded children of Kurdistan province. Method: Statistical population of the present research were all 440 mentally retarded children aged between 11-17 years in Kurdistan Province. According to Moregan table, 205 children were selected by random-cluster method as research sample. The information was collected through questionnaires and clinical examination. In order to analyze the information some descriptive and inferential statistics including Chi- square and SPSS software was used. Results: Research findings show the following outbreaks: lordosis 65%, kyphosis 13%, scolosis 4% and flat back 6% among samples. There was no significant difference between abnormality of spinal column with height, weight, BMI, type of mattress and pillow and also and kyphosis with sleeping on belly, scolosis and sleeping to sides, flat back and sleeping on back. However, there was significant relationship between lordosis and sleeping on belly.Conclusion: Mentally Retarded children have a remarkable abnormality in spinal column and this necessitates different interventions.