三国、两晋、南北朝是中国历史上大分裂、各民族大融合的时期。各政权间战争频繁。魏、蜀、吴三国与西晋初，在治军、谋略、指挥、科技等方面均有显著成就。两晋南北朝时，马蹬的发明和应用，使骑兵装具臻于完备，出现了重甲骑兵；水战和攻守城战的战术、技术有较大发展。府兵制的创立在中国军制史上具有重要意义。曹操、诸葛亮等杰出人物继承和发展了孙伍的军事思想。(The Three Kingdoms, the two Jin dynasties and the Northern and Southern Dynasties are the period of great division and the national integration in Chinese history. War between regimes is frequent. Wei, Shu, Wu and the beginning of the Western Jin Dynasty have significant achievements in military manangement, strategy, command, science and technology. At the time of the two Jin Dynasties and the Northern and Southern Dynasties, the invention and application of the stirrup made the cavalry harness perfect; cataphract appeared. Tactics and technology of water-battle and war of offensive and defensive city have greater development. The foundation of Fubing system is of great significance in the history of military of China. Cao Cao, Zhu Geliang and other outstanding people inherit and develop the military thought of Sun Wu.)