Islam came to this archipelago, not in an empty culture of society. Cultural practices are actually accommodated and adopted and then Islamized. Islam does not displace the culture that lives in a society where Islam comes to enlighten the faith of the people. Islam straightens, gives value, meaning and reinforcement of a culture that has lived a long time in a preached society. There are three patterns of the spread of Islam in Nusantara, namely; integrative, dialogic, and integrated dialogic-integrative. These three patterns can be witnessed in religious traditions and rituals that are still practiced by the society until today. This research is a literature research (library research) that discusses the concepts around cultural accultura...