Abstract: Currently, to build a scientific and effective educational quality assurance system has become the focus of the government, universities and society in China. Under the background of the 2^nd cycle of the undergraduate teaching evaluation project, the construction of internal teaching quality monitoring and supporting system has become increasingly important. This paper analyzes the 2010 Undergraduate Teaching Quality Report released by the "985 Project" universities. With content analysis as the main research method, the paper summarizes such basic characteristics of internal teaching quality monitoring system as innovating management system,setting up the teaching quality monitoring system,perfecting the system,establishing a sound internal teaching evaluation system,paying attention to the process of management,pursuing a systematic internal teaching quality monitoring system,perfecting the index system of the evaluation and seeking scientific teaching evaluation. The paper suggests that the pattern of internal teaching quality assurance should be diverse and unique. It also provides the enlightenment for the research oriented universities on how to construct scientific and integrative internal teaching quality assurance system.