Abstract: Promoting the reform of system and mechanism for sport is not only a positive response to comprehensively deepen the reform and accelerate the construction of sports power, but an inevitable choice to enhance the international competitiveness and influence. By reviewing the major achievements, the reform logic is analyzed, and the pathways of promoting the reform of sport system and mechanism are put forward. The research holds that mass sport has initially formed a multi-subject pattern with government domination and society involvement, the reform of competitive sport management, competition, training and other system and mechanism has been deepened, and the high-quality development mechanism at supply end and demand end of the sports industry has achieved initial success. Comprehensively deepening the reform of sports system and mechanism, the correct guiding ideology should be adhered to as its fundamental guarantee, the combination of the national system and market mechanism as the main direction, multi-party coordination and joint force as the necessary means while giving full play to the role of social forces as its important support, and theoretical innovation and governance by laws as its strong guarantee.