This paper uses Cooperative Principle to analyze drug advertising language by examining its four maxims respectively to see how they are violated in drug advertisement.

Recently, lots of irregularity drug advertisement appeared with new forms.

Classification,design and marketing of advertising products in medical periodicals;

But,even if facing the serious infringement on the copyright of the advertising works,maybe it is inefficient for us to give strict copyright protection,because the period of copyright protection to works is too long,and the creative incentive of advertising works is different from that of the other work.

This paper,based on the analysis of the inner structure of advertising works,holds that advertising works are a collective body composed of a multi-layer structure of matter,language and meaning and an information system of them,thus presenting some views on the concept of advertising works structures and research meanings.

In today s China, since the relevant regulations on medicine advertising are far from being perfect and the medicine advertising market is in bad order, opportunism becomes rampant and a flood of illegal medicine advertisements appear, seriously affecting the health and life of the public.

In the market economy, medicine advertising is a most favorable competitive means for medicine producers.

This view merely reveals the origin of commodity advertisement.