Abstract: The national defense students in China is part of reserve of national defense and army building,so their identity not only directly influences the formation and perfection of their outlook on life and values,but also affects the army's power and national security.This paper investigates and analyses the present situation and problems of the identity of the national defense students through questionnaire,and puts forward the countermeasures of cultivating identity,that is,the national defense students should have self awareness,military awareness and self-discipline awareness.