With the rapid development of science and technology man’s knowledge is increasing very quickly. More and more books and scientific papers are published every year. It is said that the total of man’s knowledge doubles every ten years. Besides information spreads very quickly through television and computer networks. Like population explosion information explosion in our times.

At the beginning of the industrial revolution a country's comparative advantage depended largely on the natural resources endowed by nature. Then people experienced several phases in industry revolution: the primary industry. Now we are in the fourth industry stage----the information industry.

It is argued that in future people should no longer be classified as white collars or blue collars but rather as knowledge or non-knowledge workers. The knowledge workers can not only read and write and perform rote tasks they must meet the basic requirements of computer literacy and constantly conceive new way to match the changing demands of increasing productivity.

The only way to get greater knowledge is though education and training. Therefore the educational system of a society ought to enable its members to make a rapid transition to adapt to the knowledge-based war. Otherwise that society will inevitably lag behind.