This documentary reflects a microcosm of many problems encountered in the period of rapid development in China. The reason why the video is banned is obvious, which is not conducive to a United, stable and harmonious development environment. The random dissemination of information will especially affect the mood of vulnerable groups and make them anti-social. However, I think it is necessary for some officials and scholars to have a look. This is a good first-hand information for studying social science.