The purpose of this study is to know the efforts made by Muslim communities that have different understandings, that is, between NU and Muhammadiyah to be able to live side by side in harmony and harmony. This research was carried out in Bumiayu Village, Kedungkandang District, Malang City, East Java, where the majority of the population belongs to the NU sect and their nuances are very attached to their bodies and even rooted, because their ancestors have been NU, but they and Muhammadiyah can still live side by side, harmonious and also harmonious. Data collection was carried out through interview, observation and documentation techniques. Qualitative descriptive analysis used in data analysis going through the stages of data reduction, data presentation and drawing of conclusions. The results of this study include: the history of NU and Muhammadiyah in Bumiayu, and the efforts made by NU and Muhammadiyah communities in Bumiayu to live in harmony.