Combined with work experience,the following paper introduces the importance to strengthen the management about alter design and visa in the project which investing by public finance,analyzes its main existing problems,and proposes countermeasures to strengthen the management from the angle of owners,in order to realize proper control of engineering cost.

Study on the System of Government Project Procurement in China;

Analysis on advantage and disadvantage of qualification investigating methods for construction bidding of government project and relevant countermeasures

To establish valid channel、improve regulation provision,investigate the bond regulation baseand multinational practice,briefly expound and compare the government project license regulation of Singapore and Hong Kong,conform the rightfulness of Chinese exploration.

Along with the in-depth reform of investment, government investment projects management model has transformed from the gradual integration management model to the separation management models.

Along with the in-depth reform of investment, the government investment projects management model has gradually transformed from the gradual integration management model to the separation management functions.

The essay analyses the main common problems and reasons about the governmental project,and make some suggestions relative to the bid for it.

Using agent system,the project invested by government can be carried on and administr-ated with economy and quality responsibility,through the contractual relationship between owner and investor or business corporation of project,project managing enterprise and business corporation,contractors and using units.

In this paper the features of information asymmetry and information model under the model of management by construction agency in project invested by government are analyzed,the information asymmetry in the main bodies of construction agency in the project invested by government is studied.