This paper uses the method of literature review and summarizes the two perspectives of the quality evaluation of the academic conferences, including the perspective of the status of academic conferences and influential factors of the quality, and building and evaluating an evaluation index system for the quality of academic conferences. The evaluation system of American Customer Satisfaction Index (ACSI) is a wildly used to evaluate the quality accurately, it is necessary to consider academic conferences as the process of servicing delegates and considering delegates as service consumer, and based on this, this paper establish a modified model.