Based on the virtual instrument technology, based on the HLC-RLC-III model RLC comprehensive experimental instrument, the data acquisition card is used to convert the analog signal output by the experiment instrument into a digital signal that can be processed by the computer, and the virtual instrument program compiled by LabView is used to realize the measurement. Design and construction of an experimental system for the characteristics of RLC series resonant circuits. Compared with the traditional experimental scheme, the functions of data acquisition, signal processing and data display are realized by virtual instrument programs. These functions can be redesigned according to the experimental content. Therefore, the system has flexible expansion in experimental content. The system can not only complete the basic experimental teaching of measuring the basic characteristics of the RLC series circuit, but also carry out design experimental training for students, thereby mobilizing the enthusiasm and creativity of students and improving students' practical ability.