And based upon the importance introduction of project contracting management to enterprise development author points out that project contracting can accelerate the establishment of modern enterprise system to improve project management and economic performance.

Risk analysis is made for project contracting by the method of process analysis and the technique of risk assessment,considering the present status of ocean engineering.

The paper discusses the achievement and popularity of project management , the concept of project contract and the four necessary conditions needed for the implementation of project responsibility system.

Starting with the fixed position of the market, the article makes a systematic exposition of the whole course of planning and operating of real estate selling, including the packing of the project,the tactics of the price and the advertisement, the controlling of the selling, the training of the selling personel and so on.