Taiwanese businessmen is distributed in the coastal area of Fujian in 1980, Jiangsu province become the important investment stronghold as a result of growing up fast of investment after 2000. The government of Fujian province advise the idea of the economic zone on the west side of the straits in 1995. The idea is paid attention to government when it is listed formally in Eleventh Five-year Plan after 2006. In order that investors know the overall investment environment of the economic zone on the west side of the straits, our study investigates overall competitiveness of main city, distribution situation of Taiwanese businessmen and industrial structure tendency. Our study discovers that they invest principally in Fujian province and second industry as the core on Fujian province. Besides, electronic parts and components manufacturing is made for the industry of main investment. We suggest that Xiamen is the considerable area for Taiwanese businessmen.