Sensor course is a course with high practical requirements, but it is difficult for students to improve their practical abilityin the traditional teaching process. Through the virtual experiment platform of the sensor, the test function of the instrument isformed into a software module with vivid panel control, and the tasks of testing and processing are completed like the physical in-strument, and the same experimental process is obtained as in the laboratory;students can carry out experiment anytime and any-where to improve their practical ability.