There are three kinds of Chinese public specifications- Chinese characters commonly used, Chinese characters used for name, JIS ( Japanese industrial standard) Chinese characters. And the Chinese characters commonly used had been re-regulated in 2010. This is in order to adapt to the information society in recent years in Japanese writing for the target machine, linkage information in Chinese characters, Chinese characters table about new commonly used several Chinese characters, the same radical, but with a different orthographic representation.This article on why will have this kind of situation, face the reality how future considerations, about corresponding to its reason, the postwar Chinese policy change to consider.