Although uniform framework has been constructed in the paradigm of Walrasian general equilibrium for Western microeconomic theory,its foundation is not firm,and its logical paradigm not imperfect.

This paper reviews the history of research on microeconomic theory in China in the 20th century from groping, stagnation to development.

Therefore, knowledge economy presents to the western economics the challenges of which this paper discusses the macro-economic theory and the micro-economic theory.

This thesis selects Mankiw\'s Principles of Microeconomics and analyzes its stylistic features through comparing it with the Principles of Microeconomics by Joseph E.

Impacts of information networks popularization on macroeconomic management;

WTO accession will bring tremendous impact on China*ss macroeconomic management because government actions of WTO members are standardized and restrained by a set of its rules and mechanisms.

In the beginning of 21th century the economic structural reform of China will inevitably get further great development,the macro-economic management of our country will realize bigger transformation in many aspects.