Abstract: Taking the example of Comprehensive Hall and Standard Hall of Hefei Lakeside International Convention and Exhibition Center, the objective of this paper is to establish the first level control network in the field, the ground vertical assembling survey, the ground horizontal assembling survey, the high-altitude support assembling tire rack survey, the unloading survey, the whole hoisting survey and the high-quality completing survey task, and the construction survey technology of large Span Truss, inverted triangle wind column and Arc Cantilever for large exhibition hall is discussed. It can be used as reference in sliding construction or whole lifting construction of similar large-span high-altitude steel structure.