Basing on the analysis of professional sports and its labor relations, this paper rethinks the NBA stalling from the perspective of labor relations tri-partite mechanism and makes conclusions that NBA stalling is not a retrogression of professional sports and it raise the necessity of tri-partite mechanism. Some enlightenment obtained, including establishing and perfecting government functions dominant mechanism is an urgent task; perfecting the tripartite mechanism with Chinese characteristics must be made; tightening up the lega...