Both people in the mainland China and Taiwan, use sa,e Chinese language. Pu-tong-hua, However, after the separation from 1949, many words have diversified into their different meaning. Especially, concerning the second person, people between the Taiwan strait ususlly make mistakes in the use of the meaning of tai-tai, aii-ren, xiao-jie, xian-sheng, tong-zhi, shi-fu, when the people in Taiwan first visit their mother land around in 1980s. However, ever since the exchange of commercial business and culture visits. over ten million Taiwanese have visited their motherland. People between the Taiwan strait now can understand and use each other's language and this will be the basic of the unification of China.