how to use document camera in classroom. The self-consciousness and mobilization of teachers' enthusiasm play a vital role and contribute to the sharing of teaching resources. Whether it is teaching and research methods, teaching and research content or teaching and research forms, network teaching and research is superior to conventional teaching and research, and is a supplement and expansion of regular teaching and research. Through the modern network technology, the establishment of a teaching and research platform that transcends time and space has a vital impact on the development of the islands of teaching and research in China. Network teaching and research is an exploratory work of teaching and research in China. It has an important influence on improving the quality of teaching and research and should be strongly promoted. 2 At the same time, there are three core elements in teacher professional development (see Figure 5_2), namely, teacher self-reflection (reflection), peer support (cooperation), and professionalization (sublimation). Network teaching: Research and make full use of network resources, across regions, to achieve interaction between teachers and experts, teachers and teachers. In the process of communication, collision and self-reflection with peers, teachers promote self-renewal, promote self-advancement, and achieve professional growth.. Interactive Document Camera is a completely new concept design and mobile visualizer. The touch capability on IQTouch and IQBoard, IQView E3511 Document Camera can be freely used for presentations anywhere in or out of the classroom or office.