There are a lot of similarities about political, economic, and social development between Finland and the Republic of China (R.O.C.), so we can compare them. I exam them from the three dimensions of presidential power, election system, and the relationship between the government and the parliament. Finally, I try to find out the different at political performance factor between Finland and R.O.C., and then do the policy suggestion. This paper’s conclusion induces the constitutional design includes president's power greatly, multiple party system, and inconsistent between the government and the parliament would will face the more difficulty, match general consensus that compare politics' learns. Currently only the different at political performance factor between Finland and R.O.C. is the agreement power of Legislative Yuan to canceled, causing the president leads greatly.