Holding compay owns huge assets、power structure of stockholders、high financial leverage and Business diversied. The second banking reformed has caused controversial.The mainstockholder of huge holding company controlled huge asset with few stocks if the mainstockholder pledges his stocks too high that will invokes corporate governance. The research results are as followers: 一、 The delinquency up 1%,the return on equity will reduce 1.61% 二、 The delinquency up 1%,the return on assets will reduce 0.66% 三、 The delinquency up 1%,the earning per share will reduce 0.142% 四、 The stock pledged rate of major stockholder up 1%,the earning per share will reduce 0.0031%