The Wangmang’s Xin dynasty is the special period in Chinese history, the Wangmang’s governing philosophy and cultural awareness had great influence on both the structure and the usage of the Chinese characters. We make a comprehensive collection of these script materials. This paper has reviewed the special usage of Chinese characters during the Wangmang’s Xin dynasty from three points of view: the shapes of Chinese characters, the construction of Chinese characters, the functions and usages of Chinese character. Further, we hold the opinion that the reform of writing system was the Xin dynasty’s basic policy. And the special usage of Chinese characters during the Wangmang’s Xin Dynasty is important references for division of cultural relic and literature history into periods.