The current design of the high-voltage motor energy efficiency measurement and testing platform takes a long time, and has the problems of low efficiency and poor detection accuracy. Therefore, the design of a high-frequency motor energy efficiency measurement and detection platform based on a broadband power measurement system is proposed. Through hardware design and software design, the design of energy efficiency measurement and detection platform for high voltage motors is realized. Insulation resistance signal acquisition module, temperature signal acquisition module and partial discharge signal acquisition module are designed in the hardware design. The login window function and management are implemented in the software design. Staff function, historical data query function, status display function, report printing function and alarm display function. By calculating the input information parameters and estimating the output parameters, the energy efficiency measurement and detection of the high-voltage motor is realized. The experimental results show that the detection platform designed by the proposed method has shorter detection time and higher accuracy of detection results, and has certain practical applicability.