Ecnomic Globalization is not only the objective trend and course of the presentworld economic development, but a economic state.Strictly, the origin can be backed to 15th century, but after the world war Ⅱ,especially after 1980’ s, the outline of economic globalization came into being. Since1990’s, historic reform has happened in the field of international economy and politics,and economic globalization has developed very quickly. Since economic globalization hascome into being, it has begun to have great effect on the fields of economy, politics,security,culture, physical education and so on. by the study, it is meaningful for Chinaformulate the strategy of economic development, adjust foreign policy, defend nationalsovereignty and security.Interested in these effects many scholars began to study about it. However a lot ofscholars studied economic globalization from the angle of econmics, they ignored thefact that there was inevitable relation between economics and politics. This thesis usesthe theory of international politics and economics from the angle of politics, especiallyinternational politics in order to study the relation between economic globalization andinternational relation systematially, and it tries to grasp the effects of economic global-ization on internation relation.Besides the introduction and the conclusion, this thesis has four parts.Part Ⅰ: Formation and characteristic of economic globalization.Firstly the thesis defines the economic globalization, secondly recalls the forma-tion, lastly introduces the characterics.Part Ⅱ: The effects on international relation. In this part, the thesis analyses fiveeffects on the international relation.Part Ⅲ: The challenges to developing countries. In this part, the thesis analysesw-hile economic globalization brings opportunity to developing countries, it also bringsfour challenges to them.Part Ⅳ: Economic globalization and Chinese foreign affairs. The thesis analyses theoI)Portunity, challel1ge al1d suggesti()l1 of ecol1o11lic gl()l,aIizatit)11. ’I.hc wri tcr llas l1isown ideas il] the article as folIowing:--- .AIJout the defil1itioll of cconomic g[()1,aliza1i()11.It’s hard to defil1e as usual, but the writer just do it fron1 thc al1gIe of both staticstate al1d dyl1amic state.-- .About the strategy changes from" territory -- ccnteriSIn" to" eco11()n1y -- ce11ter-lsm.The writer thillks it’s some technical and systen1atical resons that (’a[ise the greatchanges in international relation.= .About the unity of cou[1t ries i11 si>lne areas.The writer believes the unificatiol1 of rcgiona1 economy has br(Jught great effectson interio11al relation: keeP regional security and steadyness, I1elP developed cou11triesmake dialOgue and cooperate with deve1(’Ping countries.N .AbOut the challel1ges it brings to Chinese foreign affairsThe writer ho1ds the idea that because of the bad effects of economic globalization,developi11g countries become weak in world affairs, so China feels very hard to unitydeveloping countries.It is a big problem China n1ust face in forcign affairs in order to keep world peaceand her own interests.