The paper is intended to deal with Scientific Development Theory in contemporary China at philosophical angle,summary the service of the three generations of collective leadership to the Scientific Development Theory,exploring its realistic and theoretical foundations,and explicating its connotative and realistic meanings.

These three efforts embody the three generations of collective leadership′s intellectual exploration and practice under different h.

The three generations of collective leadership of the CCP since the founding of the PRC have always paid close attention to analyzing developments in international strategy and setting forth their own global strategic outlook in order to adjust the state s development strategy and domestic and foreign policies.

Since the formation of the third generation of collective leadership with Jiang Zemin at the core in 1989, they have refined on and summary a set of relatively sound theory on the development of rural economy.

Through summing up the old China s experience and lessons in constitutionalism,and learning extensively the constitutionalism achievements of Soviet Union and other countries,the first generation leaders of the Chinese communist party had formed the scientific constitutional concept on the constitutionalism main body,constitutionalism procedure,constitutionalism content and structure.