| Since the nineteen eighties, our country's economy and society has achieved rapid development, meanwhile, the international financial markets also appeared great changes, including the derivatives innovation and development are the most compelling. Financial derivative is characteristic of high yield, high risk and future transactions, it not only raise funds and can act as an important means of risk transfer, and can also provide many speculative and arbitrage opportunities. As the derivative financial instruments'innovation and development, more and more enterprises turned to derivative financial instruments trading, but derivative financial instrument conceal huge risk.Since the outbreak of the subprime mortgage crisis in the United States, along with the September 2008 bankruptcy of investment bank Lehman Brothers, the crisis spread to global markets showed, a tendency to penetrate the real economy, and gradually evolved into a global financial crisis. This article takes the standardize analysis method, combined with a case research method, from account angle embarking, taking the American financial crisis as the background, first expounds the U.S. financial crisis the formation, development and causes, and then raised the risk of derivative financial instruments to the accounting oversight challenges, then through the Lehman Brothers bankruptcy this case in detail describe the problems of derivative financial instruments in the accounting oversight, and finally according to the actual situation in our country, by improving the monitoring of derivative financial instruments in accounting measures and suggestions, in order to achieve comprehensive, systematic discussion the issue of derivative financial instruments in accounting oversight, reducing the negative impact of abusing derivative financial instruments.This article focus on how to achieve monitoring through accounting supervise derivative financial instruments, through the analysis of the investment bank lehman brothers bankruptcy case, proposes that is clear about the derivation financial instruments confirmation standard, details the financial instruments classification instruction, establishes the fair value evaluation platform that take the accounting firm as the central of derivation financial instruments, and enhances the disclosure of derivative financial instruments accounting timeliness, improves the disclosure of accounting information, strengthens enterprises internal control, strengthens the derivation financial instruments' accounting monitoring in the government level, establishes accounting professional technical and accounting occupational ethics education system eight aspect suggestions. |