ughthemarketmechanismtodecideonprojectcost.petitivebehaviorandthepromotionofprojectbiddingmechanismsplayanimportantroleininnovation.Itcanbesaidthattheimplementationoftheprojectbillofquantitiesisaprojectcostmanagementsysteminourcountryabigstepforward,butalsoinChina'essiontotheWTO,petition.Рordancewiththe"open,fairandjustice"andtheprincipleofgoodfaith,andestablishaunified,petitiveandorderlyconstructionmarket.Inviewofthecurrentproblemsexistinginthebiddingprocess,adoptregulations,andformulateandperfecttheinstitution,strengtheningprocesssupervisionmeasures,theycanbetterregulateconstructionmarketorder,preventcorruptionfromitssource,purifyconstructionmarket,promotetheconstructionmarketorderprogressivelytowardstandardization,institutionalized,andconstantlyimprovethequalityandlevelofthebiddingwork.