This paper reviews the obstacles that hinder the application of Six Sigma strategy in the services sector specially the case under study. The most common obstacles, to application of Six Sigma strategy, has been identified depending on the reference study, then a questionnaire was designed to determine the likelihood occurrence of obstacles and the degree of its importance where the disability level identified by integrating the standard probability and the expected importance, later another questionnaire was designed to determine the possible procedures that could avoid obstacles to be able to apply the Six Sigma strategy.