Taking a country choosing the mode of management for investing a large-scale project as an example,how to make the best use of social resources and how the project proprietor controls the project effectually meanwhile improving the management benefit and efficiency are analyzed,and a mode of management that how to take policy decision,implementation and supervision is put forward,whi.

According to the situation of hegiene supervision institutions,the supervision and control of public sanitation system based on Web GIS is designed, including the design of function and database.