Since for a long time, concerning the matter of central government organization and orientation in R.O.C. (Taiwan), there have so many different views, and make no sure conclusions. In the finally analysis, the key-point based on the theory of power separation about state's power design are different. Basically, the ”separation of power” and the ”division of authorities” is two kind of check and balance ideas but conflict for each other, neither an assertion made nor power characteristics and its definitions, even power design and its operation are more different. Due to the constitution-maker intentional compromise and forcible tolerant in the beginning, and it comes to be the origin of constitutional contradiction until now. For this reason, there must be identified and clarified in fact.