Because of global capitalism transferred and some Asia country's economic policy opened up, Taiwan economic system transferred from capital-in to capital-out, and Taiwan trade depended upon Mainland China had more then United State. Thus, The purpose of this thesis is to find the correlation between investment motivation, investment strategy, organization interdependence, and organization performance of Taiwan business investment in Mainland China. In addition, we take organization characteristic and manager characteristic in variables. The results of the research indicate that:1. The organization characteristic and manager characteristic are significant partial difference on the variables.2. The correlation between investment strategy, organization interdependence, and organization performance is existence, and the investment motivation correlates to the other variables partially.