Under the background of the continued refinement and efficiency of social division of labor, the governance body of social is becoming more and more diversified. In China’s grass root government, the importance of third-party organizations is clear, and how to play its role well is an urgent problem. This paper proposed “facilitation”, a new concept of mediation, as an attempt to optimize the participation of third-party organizations in governance. A case study with contradiction of neighborhoods was solved in which a team of facilitators participated in. this paper also uses empowerment theory, procedural justice theory and other related theories to analyze the event and to summarize this innovative concept’s advantages and shortcomings. At last, the author attempts to put forward some suggestions for the application of the concept of facilitation and gives some recommendations to further research.