The measurement and pricing lecture notes, lesson plans and question banks under the BOQ pricing mode, in PPT format, are 304 pages in total, and the lesson plans are in WORD format for reference. Teaching purpose: Through the study of this section, understand the background and significance of the introduction of the Code of Valuation with Bill Quantity of Construction Engineering (GB50500-2008), and be familiar with several principles adhered to in the preparation of the Code of Valuation with Bill Quantity of Construction Engineering (GB50500-2008). Several principles adhered to in the preparation of the Pricing Code According to the Ministry of Construction Order No. 107 Management Measures for Construction Contracting and Contracting Pricing, combined with the current situation of project cost management in China, the experience of relevant provinces and cities in the pilot project of bill of quantities is summarized, and with reference to the international practice of bill of quantities pricing, in the Pricing Code The basic principles followed in the preparation are to establish a unified and orderly construction market nationwide, create a fair, just and open competition environment, implement the principle of separating entities from measures, and integrate with international practices while taking into account China's national conditions.