An indispensable product for modern teaching. It integrates oral teaching and microscope observation and sets up a simulation virtual environment and training system to achieve different clinical skill trainings and make the oral teaching networking visualization, digital and accurate. Based on computer network design, video data remote transmission can be realized on many displays. Teaching process and the typical case of clinical operation can realize live broadcast and rebroadcast. The complete teaching process can be recorded, real-time operation and return operation. Double displays design, which not only can be observed and broadcast, but is also convenient for recording.Self-developing software operation system is convenient and powerful. Adopting clinical microscope, magnifying 25 times, focal length can be adjusted as 14mm,root canal can be seen clearly.The table body was made of steel and the table top was made of advanced lithium board..