Intelligent fabricated building construction system based on BIM

The invention relates to the field of fabricated building construction, and discloses a BIM-based intelligent fabricated building construction system, which comprises a data acquisition unit, a structure design unit, a model generation unit, an analogue simulation unit and a drawing generation unit, the structure design unit is used for designing the fabricated building structure according to the data acquired by the data acquisition unit, and the model generation unit is used for combining the structures designed by the structure design unit to generate a fabricated building model; the analogue simulation unit is used for performing analogue simulation detection on the fabricated building model generated by the model generation unit, and the structure design unit optimizes and adjusts the structure of the fabricated building according to analysis data of the analogue simulation unit; the drawing generation unit is used for converting the fabricated building design content into drawing information. The method