During the crisis,Many bank suffered a liquidity crisis.They had to turn to the central bank for liquidity support.The Banks in distress were forced to accept aid,merger or disposal.It fully exposed that the liquidity risk problem has not caused enough attention.The accuracy and effectiveness of liquidity risk management was insufficient.In order to solve these problems,to reduce liquidity risk and to prevent a liquidity crisis,those will have profound significance for researching global liquidity regulatory framework to deeply analyze the liquidity supervision practices and their variations of every country.