4+n+ 1 Party building is to build a livable, convenient, humanized and safe community, guide multiple subjects to participate in community governance and provide services for residents, and take party building as the center. Because Yuanshan Street, Longgang District, Shenzhen combines the study and education of Party history, and takes doing practical things for the people as the starting point, and innovatively implements the "1+4+N" model. "4" is to create a livable, convenient, humanized and safe community, and "n" is to guide multiple subjects to participate in community governance and provide services for residents. Therefore, 4+n+ 1 Party building is to build a livable, convenient, humanized and safe community, guide multiple subjects to participate in community governance and provide services for residents, and take party building as the center.