Analyzes the concept of corporation income tax, which comes from the taxable profits of a corporation, and introduces two different western views on whether to levy taxes on corporation income: One is the independence theory and the other is the combination theory.

The Paper concentrates on the investment effects of corporation income tax.

Reflection on the Chinese Reform of Corporate Income Tax;

The multistate Tax Commission is one of the most important parts of corporate income tax coordination mechanisms in US.

With the deeper of global economic integration,and the more capital liquidity,the more tax competition,OECD nations had to perform corporate income tax reforms.

As far as corporation income taxation is concerned, the main reason of taxation system reforms is the influence of economic unification.

Aiming at the equity and effciency,in light of the basic idea of broadening the tax base and decreasing the tax rate,the western developed countries have reformed the corporate income tax system extensively and profoundly since the middle of 1980 s,which decided the basic character and the developing tendency of the global corporate income tax system.

Aiming at the equity and efficiency with the basic concept of "broadening the tax base and decreasing the tax rate" , western developed countries have reformed the corporate income tax system extensively and profoundly since the middle of 1980 s, which decides the basic character and the developing tendency of the global corporate income tax system.