Introduction: Prayer is one of the largest Islamic practices and the highest educational school homework Islam. Measure commitment to the obligatory prayers, using a valid tool is possible. This article introduces a scale that has made much practical attitude and commitment to prayer, the worshipers will measure.Method: Statistical community, including all staff Baqiyatallah University of Medical Sciences. Sample size 427 patients who were selected. Research tools, including External and Internal religious orientation Alport’s scale, and the scale of self examiner factor analysis method was used obtain operating test.Results: The results of this study showed that the reliability coefficient view point of interval consistency was (r = 0.92), and test retest coefficient in a week duration was (r = 0.96), and half split coefficient was (r = 0.87).Content validity and face validity assessed by the clergy, psychologist, and prayers .Also correlation of scale with religious beliefs and Alport’s scale External and Internal were respectively 0.61, 0.34 and 0.62.Conclusion: This scale, able to measure attitude and being bound to prayers in Moslems.. Also we can use it for scientific research, and cultural-religious programming.