The invention discloses a wireless class teaching system based on a virtual instrument. The wireless class teaching system consists of a teacher end module and a student end module, wherein the teacher end and the student end are communicated through wireless transmitting and receiving modules, and information from the student end is received by the teacher end through the wireless receiving module. The wireless class teaching system based on the virtual instrument disclosed by the invention has the characteristics that teaching resources are saved, and a teacher can know a process of an experiment performed by a student without spending much time; the conventional teaching mode is fundamentally changed, and theory teaching and experiment teaching are integrated; and the students can learn from each other, the teaching efficiency is improved, learning interest of the students is aroused, the innovation consciousness of the students is cultivated, and the talent cultivating quality is improved.