Fractions are formed by political parties to optimize the implementation of functions, and others From the background the researchers took the title of the Role of the Democratic Party Faction In Supporting the Performance of the Provsu DPRD with the following problems how he role of the Democratic Party Faction in supporting the performance of the DPRD Provsu what are the factors inhibitor of the Democratic Party Faction in supporting the performance of the Provsu DPRD research This uses a qualitative descriptive method that uses data collection techniques, observation, interviews, data triangulation. The results of the discussion explained that the role of the democratic party fraction in supporting the performance of the DPRD had already taken place quite maximal starting from determining and regulating all matters of fraction, meningktkan ability, discipline, receive and channel people's aspirations and also the quality, quantity of work, and others have been said to be very good but when viewed from the inhibiting factors there is still less time discipline and often neglect, buying time that has been a limiting factor so far and continues to occur until now. Based on the results of the study concluded that the role of the Democratic Party Faction in supporting the performance of the DPRD Provsu in general it provides good benefits to council members in improving their performance through the assistance of factions and inhibiting factors must be addressed immediately so that the level of discipline in time can run well.