DWG drawing and vector information model conversion method and terminal

The invention discloses a DWG drawing and vector information model conversion method and a terminal, and aims to solve the problem that a power grid electrical wiring DWG drawing generated by a design unit and a GIS system cannot be in butt joint, a legend specification, corresponding to a CAD system, of a vector information model is defined in the GIS system, and when the DWG drawing is drawn in the CAD system, modeling is carried out on drawing content. Therefore, the CAD system analyzes the model of the DWG drawing, and a corresponding vector information model can be constructed and imported into the GIS system; or the CAD system receives the vector information model exported by the GIS system, the vector information model can be analyzed, a corresponding DWG drawing is generated in combination with the legend specification, mutual conversion between the DWG drawing and the vector information model is achieved, and the operation and maintenance workload of power grid building and transaction in the GIS sys