After analyzing the disadvantage of traditional way of Web page translation,gives the new resolution based on the mechanism of content negotiation and Web cache,which makes the translation service invisible to the client,saving the add.

By using content negotiation mechanism and InfoPyramid model, this paper makes some improvement to the traditional proxy, implements adaptive content delivery, enhances the network transmission efficiency.

Firstly, this thesis reviews the techniques and theories of Internet media content acquisition, and enumerates related theories and techniques such as content negotiation, status identification and Web information acquisition.

Pricing strategies was presented to comply with the characteristics of the internal bargaining process.

To counter these drawbacks and deficiencies of the current environment law system, we must strengthen research in the balance of the external framework and in the unity of the legal content to suit the needs of the ecologization of the environment law.