Legal basis: According to Article 12 of the Interim Provisions on Construction Contracts and Contract Price Management (1), the current budget quota and expense quota are the valuation basis of the project price. When preparing the pre-tender estimate or construction drawing budget, appropriate adjustments can be made according to the construction situation. In accordance with the construction drawing budget settlement project, it is necessary to adjust the content, agreed by both parties through consultation. (2) The engineering cost management institutions of all provinces, autonomous regions and municipalities directly under the Central Government shall timely release the price information of labor, materials and construction machinery according to the changes of market prices, so as to meet the needs of engineering valuation and price adjustment. (three) for the lack of effective new structure, new materials, new equipment, new technology quota, project cost management institutions should be timely supplement, and will be released to the Ministry of construction standards and quota department for the record. (4) Strengthening enterprise quota work. Construction enterprises should formulate their own enterprise quotas according to their own technology and management situation and under the guidance of national quotas, so as to meet the requirements of bidding quotation and enhance market competitiveness. (5) Engineering cost management institutions at all levels should pay attention to collecting and sorting out engineering cost data with reuse value, analyze the calculation methods of frequently occurring construction measure fees, safety measure fees and claim fees, and study and put forward calculation standards for reference by relevant units.