Educational system change is a process of replacing, transforming and merchandising. As a "public good", the educational system shows the characteristics of path-dependence in the.process of change, resulting in the inefficiency of choice. From the perspective of path-dependence in the process of educational change , this article attributes the difficult transformation of "Examination-Oriented Educa- tion" mode to "Quality Education" mode, to four causes. Those are individual choice of Pareto equilibri- um strategy, low-cost preferences t...