In order to solve the problems of short equipment test cycle, inadequate assessment, difficult control of technical status and uncontrollable production cycle in the after-loading procurement market of competitive procurement, the contract supervision is discussed. This paper analyzes the domestic and foreign situation of physical bidding procurement, expounds the new situation and new problems existing in the current contract supervision from the competitive procurement, and puts forward countermeasures and suggestions combined with the actual work. The results show that the method can provide a reference for physical competitive procurement.