Abstract: Subject Classification can decide the belongs of national defense education in colleges and universities,and the development models as well. National defense education in colleges and universities is a vital part of moral education,which belongs to the field of pedagogy. National defense education department in colleges and universities is administered by government departments,which to some degree constrains the spread and development of national defense education in colleges and universities,as well as its quality and level. So it is essential to define the nature and classification of national defense education department in colleges and universities.

Key words: colleges and universities, national defense education, subject classification