This paper analyzes the design ideas of the detection and calibration system of the ultrasonic partial discharge detection device,builds the system structure of industrial computer based on PCI bus,studies the realization methods of the ultrasonic testing platform,ultrasonic of the partial discharge simulation module and ultrasonic signal acquisition module．In this paper,it is instructive to the ultrasound for partial discharge detection device performance testing and calibration methods and the development of the related system．