With the 2814 data sampled from Shanghai Stock Exchange between 2004 and 2005 from 201 non-financial business enterprises, we categorize these samples from the point of corporate governance model, adopt linear multiple regression analysis method to study the relationship of finance structure and investment scale of Chinese listed companies on two different conditions, one condition is "shareholder and creditor co-governance" model while the other condition "shareholder-governance" model. At last, we draw out a conclusion that the relationships are different. Furthermore, after comparing impact factors comprehensively, we find out that under the two different governance models, a positive correlation relationship exist between finance structure and investment scale.