The product software used is the price calculation software of the PIN BIM civil steel bar calculation, the cost control software of the quality win, the construction rebar calculation model used by the product BIM5D software to build the project, the bidding quotation file, the simulation construction animation, and the installation model of the project is established using the revit software, and finally the comparative analysis report of the estimated price, the budget price of the construction drawing and the settlement price of the completion.