The humanity passed through three stages to understand the Chinese Character;under the latter modern linguistic environment,the Chinese character has six aspects of the new comparison superiority;an unprecedented change of Chinese culture scene is taking place,which has the Chinese character as the subject.

So this paper does the research on innovation for comparative advantage of our country’s textile industry, and hope can provide some suggesti.

On the base of grain situation in mountain region of Western Hunan,using comparative advantage theory,the author suggested it was not suitable for the production of the grain crops in mountain region of Western Hunan,compared to main grain producing area.

Started with the comparative advantage theory,this paper analyzed on the causes which pushed on the economic theories development,then drew the conclusion that it would conduce to its development by liberalizing assumptions,deepening theoretical manifestation,holding practical demonstration and adopting dynamic analysis.

This paper analyzes the export trade of our country on the basis of comparative advantage theory,points out the advantages that the labor-intensive products possess in export trade,and simultaneously describes the potential problems.