Among all the international economic organizations,only World Trade Organization accepted the official member status for Taiwan and Mainland China. The two organizations of Cross strait signed Agreement on Services Trade on June 21,2013 in shanghai. Cross strait Trade in Services Agreement,initially focusing on a number of products available to our Mainland China export tariff exemptions and concessions,As the based on Mainland China,the institutionalization of Cross strait Trade in Services Agreements establish legal creterior,in addition to promoting Cross strait mutual investment and Trade services industry could expand the effectiveness of ECFA,Cross strait will be able to paly a complementary and competitive enhancing efficiency,will bring long-term positive economic well-being. This thesis is entitled“A study on the legal problems arising from the Cross-Strait Services Trade agreement under the WTO framework”which is contained in six chapters. Chapter TWO begins with the definition,nature,function and scope of General Agreement on Trade in Services(GATS),analyzing its characteristics illustrated by scholars and their positive and negative view points were discussed by different countries or academics,secondly,it focuses on the historical evolution of GATS. Chapter THREE explores the interaction of international treaties and the domestic law,discusses the practical application of the international treaties in Taiwan ,as well as discusses the character and nature of agreement which signed by the two governments cross strait. Moreover,The Trade Organization(WTO) has established a rule-oriented dispute settlement mechanism under the Understanding on Rules and Procedures Governing the settlement of Disputes(DSU),Furthermore,not only does DSU reinforce the implement and enforcement of the WTO rules and the awards of Dispute settlement Body(DSB),it also settles the disputes between WTO Members effectively,Since both sides of Cross Strait had became the member of WTO Members are under the obligation and claim the rights of WTO.