This paper focuses on the origin of insecurity, safety and security of the content of the evolution of the concept of traditional security policy with the new security concept.The authors suggest that the contents of security and international relations with the social and historical development of evolving, evolve the main driving force of social progress of productive forces.In different historical periods, most representative of the level of productivity of the things often become the most valuable part of security.Compared with the past, modern security has the following characteristics: the scope of security beyond the region, for the first time the world has meaning; army in modern times to become the country's "principal basis"; to the ideology of nationalism as factors in the country on behalf of security policies and practices play a special role.But national security has an important strategic value of the field is not a qualitative change.Mid-century, the world entered the post-industrial society or information age, the concept of security from the content and form are undergoing a profound transformation.Economic, technological and other factors