This study aims to find out the causes of factionalism in internal political parties in North Moluccas; the involvement of actors in the party faction, the impact experienced by the party and its influence on the Moslems in North Moluccasaluku. The research method uses qualitative methods. Data obtained using interview steps and document collection in case studies. Data are described using Boucek's theory (2012) about the 4 causes of party factionalisation, Bettcher's Theory (2005) about the involvement of actors in the organization and motivation of factions, Boucek's theory (2009) about the impact and Route of Faction, the impact on the party's survival future and the moslems aspiration in North Moluccas. Research findings that factionalism of United Development Party (Partai Persatuan Pembangunan, PPP), The National Mandate Party (PAN), and The Prosperous Justice Party (Partai Keadilan Sejahtera, PKS) at local level due to the strengthening of the family faction network, dynastic and bussiness group from ethnics in motivating welfare, Struggling for Leader party positions, and especially the increasing internal competition in the Legislative and Gubernatorial Election. In the midst of the Central Leader's intervention on regional structures and internal factors regarding the dominant ethnic heterogeneity in competing dominating party structures, faction political actors that dominated by patronage networks and clientelistic Kasuba families in the PKS, Ternate's Ethnic Domination in PPP and the strengthening tendency of project rent seeking for business faction groups on PAN. Factionalism has a Bad Impact on Party Failures in Elections, polarization of party structures, leadership dualism and party disconnectivity with the moslems grass root.