This paper first proposes a definition for equipment risk,and then formulates a cost-based equipment risk allocation optimization model.

Based on the life cycle risk analysis principle of construction project,this paper researches the risk allocation problems between government client and agent in decision making stage,operation stage (design,construction stage) and usage stage of agent construction institution.

Moreover, the risk allocation in fixed price contract is analyzed, and the difference between fixed price contract and unit price contract is identified.

Analysis of project financing risk distribution Based on Investor;

Principles and methods of risk distribution of PPP mode financing for infrastructure;

According to main manifestation of engineering contract risk, risk prevention in contract management and rational order of risk distribution,the author analyzes risk management of engineering contract,and proposes the methods to avoid and distribute risks in concrete project contract management from the angle of applicability,in order to promote well development of construction enterprise.

The fundamental cause of the oversize risks and ineffective implementation of China s national student loan policy lies in the absence of an effective goal-oriented mechanism and a rational risk-sharing mechanism.

Therefore, it is very necessary of the state to establish and improve catastrophe risk dispersive mechanisms.