Abstract:Accompanying with rapid development of social economy, construction projects show an explosive growth. However, there are many problems, such as too many subjects of surveying and mapping examination and approval, long time consuming in the whole process of administrative examination and approval, multiple surveying and mapping, and repeated surveying and mapping. Therefore, the General Office of the State Council began to carry out the reform of the examination and approval system for construction projects. Taking the reform of the approval system for engineering construction projects as an opportunity, by using advanced technologies, such as GIS, big data and cloud computing, working standards and norms of "multitest integtation" has been formulated, the business process of "multitest integration" for construction projects has been optimized, the management and service platform of "multitest integration" have been built, and characteristics and advantages of the platform have been introduced. It si showed that the platform has played a key role in online project entrusting, multidepartment joint examination, standardized management of achievements, optimized the approval process, shortened the surveying and mapping time, and improved the surveying and mapping service time limit and administrative examination and approval efficiency.