Abstract: As an innovative practice of the cause of socialism with Chinese characteristics, digital Party building has effectively promoted the modernization of grassroots community governance. Digital party building enables the three important aspects of grassroots community governance collective, namely the political potential energy under the guidance of party building, the people-oriented orientation under collaborative governance and the new qualitative power driven by digital. To build the “politics-value-technology” three-dimensional integration mechanism, political integration is the fundamental position for the digital Party building to empower the grassroots community governance collective, value integration is people-oriented orientation for the digital Party building to empower the grassroots community governance collective, and technology integration is the digital power for the digital Party building to empower the grassroots community governance collective.