随着国际金融危机的爆发，全世界包括发达国家和发展中国家遭受重大损失，为了减少损失，使世界经济尽快恢复，正常运转，组成了二十国集团，共同解决这个席卷世界的经济问题。本文就是针对G20在解决这次金融危机所作的努力和作用方面做研究，描述了G20在解决金融危机中的突出作用，写G20在国际合作中相对于其他国际组织的特点。本文针对G20在解决金融危机问题方面和重构国际经济体系方面提出了自己的看法，并运用实例分析对G20在国际合作方面的重要作用给出了很好的说明，指出G20作为一个新型的国际机制，具有光辉前景，有利于世界经济稳定和发展，有利于世界多极化的形成，有利于新型国际经济体系的形成，是一个具有前景的新型国际机制。

With the breakout of international financial crisis, all the world were attacked by this great disaster. At this time, G20 appeared on the world stage. This essay is doing research in G20, which is trying to deal with the problems that the disaster has brought to the world. The author holds the idea that G20 is a prosper ting world organization, which owns all the advantages that other organizations don’t have. From what G20 has shown to us, the author is for the idea that G20 is a promising world organization.