美国次级债危机,对全球股市影响巨大,延续不断,这是美国经济大国对全球经济影响及次级债环境变化和余震不断造成的多米诺骨牌效应。深究其因,有实质性和心理预期的,其源于决策的失误和监管,信贷条件放松,造就房价和利率的波动运行到周期的峰巅等。通过分析次债危机成因,吸取经验教训,警醒中国重视信贷风险,加强和改进市场监管,完善股票发行交易机制方面多做努力,积极做好金融资本市场风险应急处置工作,防止类似次级债危机事件在中国重演. The U.S. subprime crisis, which has a tremendous and sustained impact on global stock markets, is the ongoing domino effect of the U.S. economic powers on the global economy and the sub-debt environment and aftershocks. Study its causes, substantive and psychological expectations, which stems from the mistakes and regulatory decisions, credit conditions to relax, creating fluctuations in the price and interest rates run to the peak of the peak. Through the analysis of the causes of the sub-prime crisis, drawing lessons and warnings China attaches importance to credit risk, strengthening and improving market supervision, improving the stock issuance trading mechanism to make more efforts to actively do a good job in the financial capital market risk emergency work to prevent similar sub-prime debt crisis The incident is repeated in China.