Using game theory,this paper analyzes the basic game model for the mechanism of appraised lowestprice tendering method. And combined with the theory of the multi-attributes bid mechanism,expands the pure price game model,considers the optimal portfolio of the price and qualities to seek the equilibrium optimal strategies. Finally,through analyzing the game results and grasping the regulation characteristics of appraised lowest-price tendering method,provides a theoretical basis of improvement of the apprais...