Form the evolution of the quality criteria, we can draw the conclusion that customer-driven, which not only change people’s view on quality, but help us recognize the basis of quality in the enterprise competitive advantage. Thus quality competence comes to use by many enterprises and has been put into application. The recently development is the six Sigma criteria, which has emerged as the hottest quality initiative within corporate worldwide. Pioneered and embraced by such companies as Motorola, Allied Signal, and General Electric, this statistically driven, data-intensive methodology has became a key business strategy for increasing client satisfaction, reducing costs, and increasing competitive advantage for the corporate.