On the Unbalance and Optimization of Tax Structure on Income Distribution Adjustment

China's current tax system's failure on income distribution adjustment,mainly originates from the structural unbalance between direct tax and indirect tax,between individual income tax and corporate income tax,between income flow tax and income inventory tax,between labor income tax and non-labor income tax.In order to narrowing the income gap,we must promote the reform of commodity turnover tax,income tax,property tax and others and perfect tax system structure.