Objective: As soon as the oral steriognosis has important role in speech development, in this research our purpose is study and comparison of oral steriognosis average in cleft palate and normal 5-9 year old children.

Materials & Methods: This research was done in a cross-sectional and analytic method. The subjects included 66 normal and 30 cleft palate children 5-9 year. The variables include age, sex, cleft palate, different kinds of clefts and numbers of palate surgeries.

Results: 1-In two groups of children, the ability of oral steriognosis is difference. 2-There is a direct relationship between age and oral steriognosis. 3-There is no relationship between sex and oral steriognosis. 4-There is opposite relation between the number of palate surgeries and oral steriognosis.

Conclusion: Strengthen of oral steriognosis can affect speech disorders in cleft palate children.