The collusion action in bidding system of our construction field is seriously damaging the normal order of bidding. The purpose of this paper is to effectively manage the collusion in bidding and to promote the healthy development of bidding market. Based on 36 currently used preventive measures in terms of effectiveness and feasibility in construction market, statistic analysis is taken by SPSS software to analyze the opinions of investigated experts in construction field through 112 valid questionnaires. The result shows that the effectiveness of 36 measures is generally higher than the feasibility, and poor feasibility is an important factor to block the effect of preventive measures. Based on this, the paper established a collusion prevention system in bidding of our construction market according to the measures with high effectiveness. The prevention mechanism of each measure is stated in detail. The aim is to increase the feasibility of the measure and provide some helpful advice to prevent collusion in bidding.