The invention provides a transformer substation exception handling simulation system based on an network online system of a VR local area. and the system is characterized in that the system comprisesa substation modeling module, a virtual role modeling module, a visual platform operation module, an equipment action manufacturing module, a virtual substation module operation module and an action evaluation module; the transformer substation modeling module is used for modeling a virtual transformer substation; the virtual role modeling module is used for modeling a virtual role in the virtualtransformer substation; the visual platform operation module is used for customizing a virtual scene for a virtual substation user; and the equipment action making module is used for establishing an equipment action process library based on the script animation. The virtual reality technology is utilized to optimize the power supply enterprise training work, the internal structure and the action process in the equipment operation process can be displayed, students can simulate operation, the teaching quality is improved, and the training cost is reduced.