The Establishment in 2010 of cross-strait financial supervision memorandum of understanding (MOU) and Economic Cooperation Framework Agreement (ECFA) provides the opportunity for Chinese and Taiwanese banks to offer financial service to companies of each other. As the different technologies between Taiwan and China, this paper attempts to introduce a profit metafrontier Luenberger productivity indicator to measure the profit productivity gap and its convergence. The proposed model is further decomposed into components of changes in technical inefficiency, allocative inefficiency, technology, and price effect. The results show that there exists profit productivity improvement for both banks, such outperforming of profit productivity can be mostly attributed to the fast growth in price effect.