Along with the development of design methods, architectural design are heading towards more free style shapes. This article mainly concentrates on the reasonable application of BIM in architectural design in Changsha Dawang Mountain Ice & Snow World and five-star Hotel projects.

For the domestic BIM engineering quantitystatistics, due to the insufficient localization of the BIM technology system, there are problems existed in the actual project includingpooraccuracy, insufficient timeliness and inadequateapplicability. In some projects, the BIM application and engineering quantitystatistics even act a dual-track system, which result in duplication of labor and waste of resources. Taking the demonstration project as an example, this paper analyzes the challenges and difficulties in the engineering quantitystatistics. The paper starts from the project application requirements, referencesinternational standards, and proposes an innovative technical route of BIM-based engineering quantitystatistics with a technical solution for localization of component coding and attribute information. The studies in this paper provides new ideas for the rapid generation of engineering quantity statistics based on BIM.