From a dusty ordinary blackboard to a clean electronic blackboard with high-definition touch, from closed classroom teaching to networked remote interactive teaching, from books with limited knowledge to vast online teaching resource library, the overall solution of interactive multimedia digital classroom allows all equipment to be managed centrally through the multimedia platform, and teachers can start all the equipment and operate it on the platform. Practicality: Only simple operation, practical function and good effect can improve the efficiency of teaching and learning. There is no need to rewire and destroy the original classroom structure. Reliability: The intelligent touch of multimedia teaching touch machine has high stability and reliability. Advanced: Compared with the traditional multimedia classroom scheme, the integrated intelligent touch and Bluetooth wireless sound reinforcement system fully embodies the advanced nature of the whole system in access mode and system control. Through the teacher's handwriting computer control, you can also realize remote control through the campus network to provide services for future development.