Purposes: To evaluate 44 participating nations' performance in the 14th Asian Games Busan in 2002, as well as to explore the issue numbers of medal they have won traditionally represent the nations' sport power. Methods: We used two indexes, economic power (gross domestic product) and demographic power (population) as inputs and analyzed by Data Envelopment Analysis (DEA) to realize the applicability of the integrated outputs Zero sum gains DEA (ZSG-DEA). Results: 1. The ranks of Chinese Taipei was the 8th counted by the number of medals won, but the score of ZSG-DEA model was 0.344 (rank 17th) respectively. The above results showed the relative deficiency of their performance. 2. The benchmarking of Chinese Taipei included Korea, Kazakhstan, and Qatar. 3. Chinese Taipei, which belonged to decreasing returns to scale (DRS), should abate participative scale or increase output of medals for establishing better efficiency. 4. Chinese Taipei was in the group of technical inefficiency and poor productivity, it represented the Chinese Taipei ought to get more progress. Conclusions: The Asian game is the anticipated battle of the Olympic game, we suggested the Chinese Taipei government should enhance and increase resource investment for sports, Asian game participated strategies, even the nation's entire sport competitive power in order to pursue athletes' extraordinary performance and honor of our nation.