In the preface, an introduction is made of the current situation of researches on Most-Favored-Nation treatment to China and significance of this paper.

Analysis of effect scope application of MFN Treatment in TRIPS Agreement;

The issue of like product in MFN plays a key role in defining MFN treatment.

On the Complementarities of the Principles of Most-Favored-Nation Treatment and Reciprocity;

Non-discrimination treatment includes national treatment and most-favored-nation treatment.

This article proceeds with research of the international financial service trade barrier, has described the frame of law of WTO s financial service trade ,have explained the basic law principle of WTO s financial service trade especially, have studied the principle of national treatment, the market access and most-favored-nation treatment principle of GATS especially a-mong the

During Clinton administration, MFN issue and the passed PNTR bill are the most important things to be concerned in which many interest groups are involved.

Entering WTO gives China opportunity to obtain the Most Favored Nation Treatment(MFN),but at the same time,China has to fulfill the obligation by cutting down the tariff and non tariff barriers and expanding the access to market.

The establishment of most favoured nation treatment,the enforcement of cooperative policy,the open policy s being proposed and marked by its being established by US experienced half a century and deeply affected other big powers policies to China.