In the early year of 2000, the crisis of weak operation performance of Credit Departments of Fanners' Associations (CDFAs) began to emerge from the financial marketplace in Taiwan. Under the circumstance that thirty-six basic financial institutions were combined because of weak performance, the appeals to financial reform increased gradually, and how to implement this goal became an important issue. As to analysis method, the statistic software SAS is selected to analyze the financial ratios that reflect the financial characteristics and performance of CDFA. Three conclusions are summarized as follows: 1. There are significant differences among the members of different types of CDFAs, the influence of urbanization is proved. 2. Profitability and security of three types of CDFAs must be improvement. The results of the thesis may provide approaches for CDFAs to gradually adjust theoperation performance and set up the future direction of operation according to the different types of their own.