To balance the international economical order and nation s economical interest, international anti-monopoly law should restrict the national monopoly that impedes the international fair competition, on the other side, it should exempt the national monopoly in specific industry, situation or country.

The Chinese Tobacco Industry, standardized and controlled by government through national monopoly, carries out with an exclusive sales system; it has made an outstanding contribution to the national finance cumulation since Opening up.

In China, it is national monopoly that has the most strength, the broadest affect and the closest connection with people s life.

This paper,with the case of Nuodeng Salt-field as an example,discusses the gap between the national mainstream ideologies and the folk customs under the state monopoly.

There are varieties of monopoly forms such as State monopoly, economic monopoly and administrative monopoly in natural monopoly industry in China, Whose characteristics are different from each other and different regulating methods should be taken.

Afte the First world war,the National Monopolistic Capitalism in America didn t fully develop because the administration of the republican party resumed Laissez-faire,the prosperous private monopolistic Capitalism intensified the fundermental contradiction of the capitalism,thus planting the seeds of the Great Depression in 1930 S.