Then analyzes the relativity that export and import trade promotes the economic growth , and drews conclusions that china can affectively take advantage of the markets of the home and abroad to distribute the resources , make up the domestic rare resources , introduce the advanced technology and equipments to acceleratly improve the chinese technology 然后分别对出口和进口贸易促进经济增长进行相关性分析，得出通过出口和进口能有效利用国内、国外两个市场进行资源配置，弥补国内稀缺资源的缺口，并通过引进先进技术和设备，加快本国的技术进步步伐。
For export trade finance , it involves overdraft and loan , packing loan , letter of credit negotiation , outward documentary collection advance , export discount and etc ; for import trade finance , it includes limit for letter of credit , trust receipt , inward bills receivables , delivery against banking guarantee , inward documentary collection advance and etc . other than these points , this article emphasized on forfeiting and factoring as the newest two operations and gives a profo und explanation 其中，出口贸易融资业务涉及了贷款和透支、打包贷款、出口信用证押汇、出口托收押汇、出口贴现等；进口贸易融资业务涉及了进口开证额度、信托收据、进口押汇、提货担保、进口代收押汇等；福费廷和保理两项业务作为在我国最新发展的国际贸易融资业务在这部分也做了详细介绍。
As for it , it is necessary to look back on the development of theory of international trade and theory of global direct investment first and then make a critical analysis of the previous studies on the relationship make by scholars home and abroad , where question come up , namely , ( 1 ) no division of reasons for every country to carry out international trade ( 2 ) no placement of international trade under different policy frames ( 3 ) no division of import and export in international trade so as to discuss respectively the relationship between investment country and it ' s global direct investment and the relationship between host country ' s import and export and global direct investment ( 4 ) no division of different national directions in international trade and global direct investment 系统讨论国际贸易与国际直接投资的关系，有必要首先回顾国际贸易理论和国际直接投资理论的进展，然后对国际贸易与国际直接投资关系的已有研究进行述评。国内外学者对国际贸易与国际直接投资关系的已有研究没有区分各国开展国际贸易的诱因；没有将国际贸易置于不同的政策框架下；没有在将国际贸易区分为出口贸易和进口贸易的基础上分别探讨投资国和东道国的进、出口贸易与投资国的国际直接投资的关系；没有区分国际贸易与国际直接投资的国别方向。这种笼而统之的研究使国内外已有的研究成果对现实中国际贸易与国际直接投资的实际关系的解释力非常有限，都只能分别揭示个别的、局部的国际贸易与国际直接投资活动中二者的相互关系。
