Political parties that is big important it's play important role in political life, its related between the ruler and the people and its necessary that democratic regimes it needed, this parties is base of democracy there is no freedom without parties. The nature jobs parties is different in political system, the role of this parties in classic system differs about roles in democratic system because the values, principles and political adverbs. Important of this research return about know the nature of the jobs of the political parties in democratic regimes, this research divided in two sections the first sections talked about the knew of political parties and the jobs of these parties, while the second section talked about the valuation the jobs of political parties in the democracy regimes.