女真族群經過長時間的發展後，於遼代末期統一，因著遼廷內亂，乘機建立金朝並滅遼，而後又將北宋攻滅。自金太祖至海陵帝這段時間裏，金中央依早年的習慣設軍政合一的勃極烈制，接著參考遼制立元帥府制度，最後參酌宋制建樞密院制，使制度逐漸朝向政軍分離發展，且配合實戰經驗將軍事制度修正。 After the long-term development, the Juchen tribes were unified into one nation in Liao’s last stage. Because of Laio government strife, the Juchen was using opportunity to found of the Jin and terminated the Liao dynasty. After all, jin was distoried the north Sung too. Rules from Jin Tai Zu to the Emperor of Hailing this period of time, the Jin central authorities according to long ago custom established the military administration gathers a system of Chief. Than Jin was refer to Liao’s system to establish the system of Military command. At last, Jin was refer to Sung’s system and established the Bareau of Military Affairs system. After these formulations, Jin was bend to separate military and politics; moreover, this kind of military system was amended from the actual operational experience.