In order to win the victory of war to suppress the Taiping Heavenly Kingdom, Zeng Guofan carried out the important pacifying policy which his soldiers with Hunan origin enjoyed great honor and favour.

Effects of national energy-saving preferential policy on the improvement of economy structure;

The great achievement in small hydropower construction owes to the preferential policy of introduction of foreign funds.

Since the reform and open policy,Vietnam perfect the foreign capital investment law unceasingly,the investment procedure simplifies day by day,the investment environment is day by day loose,the investment preferential policy also increases.

Main reasons applying for favorable policy of hydropower objects are that their capacity benefits are ignored in network and their increment tax is higher in past.

So,we should has the consciousness of get a good start,integrate tax rate,keep taxation fair and reasonable,improve resilience of tax system,perfect tax favorable policy,strengt.

It develops rapidly with favorable policy and loose supervisison but entails immenese financial risks,which incurs many relevant legal problems.