Abstract: By analyzing the design process of fan electrical control cabinets, common issues in traditional electrical design and assembly processes are identified. The EPLAN software is applied to the design of electrical control cabinets, establishing a standardized design workflow that enables efficient coordination among electrical design, component selection and procurement, and production assembly. In engineering applications, this approach reduces design defects in electrical control cabinets, shortens the design cycle, and significantly improves the electromechanical commissioning efficiency of fan equipment, offering high application and promotion value.