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DEA is a linear programming for evaluation of comparative efficiency and inefficiency among some units that use multiple inputs for multiple outputs. The purpose of this paper is to review the evaluation of efficiencies by DEA model and the selection of appropriate input and output variables. As a result of this study, I suggest the input and output variables for using the DEA model are as follows ;Firstly, selected input variables are the real estate for business, total personnel number including regular and irregular works, per capita, sale and maintenance cost, members of cooperatives and immeasurable items, etc.. Secondly, selected output variables are the volume of credit business, the volume of economic business, effective contract volume of insurance, gross profit, immeasurable items (members satisfaction), etc..
