Abstract:The network is like a sword with double blade. When it opens new fields and provides new opportunities for the national defense education at universities with its unique dissemination ways and characters, it exerts a great impact on such education and poses great challenges. Facing the new space of the national defense education, the educators should take positive coping measures and think highly of their responsibility, update the education content on the net in time, drive the innovation of the national defense education. Furthermore, they should break through the tradition and be ready to make innovation, occupy the network front and open the new situation for the national defense education at universities.