Abstract: The basis of the cultivation of army man lies in the cultivation of martial virtues.National defense students are our army's officers of reserve,and the cultivation of martial virtues should be valued and strengthened at the university stage during the process of their transformation from local youths to qualified revolutionary army men.For the purpose of activating their enthusiasm and initiative in cultivating martial virtues,the implication of martial virtue must first be clarified and the great importance of martial virtue must be attached to.Martial virtue as a particular professional morality should be recognized in reason as a way to join in the army since time immemorial and as the most important mental strength in the war,and it is martial virtue that builds the beauty of army heroes and bestows loftiness upon the life of army man.