Principal-agency risk is a basic problem in the corporate governance.Classical researches concentrate on the agency relation but not on the character of the agency risk,so the research results can improve the agency relation but can not prevent the agency risk effectively.This paper introduce the risk resource & solution according to the classical corporate governance theory at first,then focuses on the essence of agency risk instead of agency relation as the traditional theory,analyses thoroughly the agency risk from the economic dimension,political dimension,culture dimension and time dimension,afterwards gives solution strategy based on the multi-dimension analysis.