The strategic adjustment of stateowned economyincludes both ownership structure adjustment and stateowned property adjustment in different industries, in which there is entry as well as withdrawal, and the key is withdrawal.

In the process of readjusting economic structure,there are different understandings towards the principles with both advance and retreat in the strategic reorganization of state-owned enterprises.

This article regards marketization as the direction of urban infrastructures construction and operation in China,promotes its course and analyses that "seceding orderly" is a realistic choice of the government,and translates its definition and character and discusses its problems,then provides five modes of orderly withdrawal,and the mode of operation mechanism in market is studied.

With the interaction and interrestriction of the three factors an efficient exit will be effected, and the diversification of the property right structure and the setting up of the system of socialist economy will be achieved.