The effect of the SEO to company’s overall value is the focus of theoretical and practical circles . In this paper,we selects the Chinese SEO data from 1998 to 2011,and compare the difference of the placement of shares, public issuance and private placement to the company’s overall value under regulatory policy.We find the value of companies that choose the placement of shares is greater than the others’, while value of companies that choose the public issuance is less than the nonpublic issuance company’s value, the private placement is the same.