LinkGo is a useful assistant in modern classrooms that uses a mobile equipment to control computers and realize functions such as remote control, document presentation, video teaching, live webcam, micro-course production, mobile booth, remote canvas, spotlight, and screen zoom. Linkgo make teaching process more in line with the natural state, more effective to improve students’ attention in class, improve classroom interaction and improve teaching quality. It is the best choice for modern classroom teaching, live courseware production, various theme reports, speeches, and daily meetings.