Audio, video, image, etc. While we get a lot of free information, we also provide some useful resources for other network lovers. For example, our teachers not only publish the summary of class plans, weekly plans and educational essays on the Internet, but also publish some class dynamics, environmental layout and parent-child games to show the style of school, class, children and teachers. The network platform breaks through many limitations of real life and is more open and atmospheric for the space for teachers' growth. It has injected a new vitality into our monotonous educational life.