Abstract: In the military history of the world,the modern Japanese troops were well-known for their brutality and bravery,in which the feudal bushido spirit played an important role.Therefore,how to change the feudal bushido into the modern military awareness forms an important content of the modern Japanese military history.The making and promulgation of military disciplines and military imperial edict made the traditional bushido have the modern military awareness in the historical condition,which becomes the spiritual pillar and moral basis for the policy of Japanese invasion and expansion.