This paper is a deep exploration of the tactical system after the construction, the core focus on the refined classification of tactics. In the process of systematically studying the tactical system, the author classiifies and sorts out more than 80 diversified and complex tactical forms according to the system framework, aiming to not only serve the research and training practice of researchers and coaches, but more importantly, fill the gap in the traditional tactical field. The research results show that the in-depth analysis of the circuit change law system has spawned 47 innovative tactics; The subtle application of rhythm change rule system derived 19 new strategies; The systematic exploration of rotation changes contributed 11 kinds of tactical changes; The systematic study of active defensive strategy has extracted 5 kinds of efficient defensive tactics. This classification has injected unprecedented vitality and depth into modern table tennis. The conclusion of the study emphasizes that this classification system is closely in line with the actual needs of modern table tennis and greatly promotes the players’ understanding and mastery of the tactical essence. This means that the theoretical knowledge of the tactical system has evolved to the stage where it can efficiently transform competition advantages into victory, and athletes can accurately internalize the cohesion technology law into their own tactical ability, so as to flexibly adapt in the competition, build a solid tactical foundation, and pave the way for greater victories.