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Aiming at the problems of strong manual dependence, difficulty in data fusion and sharing, and low level of review content visualization in traditional architectural review, a method of building intelligent review based on BIM and knowledge graph is proposed. Standardize the association of text data into structured knowledge, and establish the semantic connection between knowledge and data; secondly, in view of the multi-source and heterogeneous characteristics of BIM models, an IFC-based building data information extraction and integration is proposed to provide data for the subsequent realization of intelligent building plan review. Foundation; finally, based on the HTML5 network framework, a building intelligent drawing review system with three-dimensional visualization and cross-platform functions is designed and developed, which realizes the display and interactive operation of the building model on the web page, the visual display of the review content, and the corresponding display of the specification provisions. Through the experimental test of actual construction projects, the system effectively realizes the intelligent drawing review of the architectural model under review, and automatically detects the building model components that do not meet the specifications, which improves the level of intelligent drawing review in the construction industry to a certain extent.