Tax will give some legitimate business, normal operation of taxpayer some unreasonable increase in the tax burden. This time, taxpayers should avoid switching the mode of operation of these unfavorable tax burdens. For example, in addition to tourism, transport, construction, financial services and other specified industries, for its business tax income, taxpayers are generally made in accordance with the full amount to pay sales tax, and it does not allow deduction paid to the cost of other units and individuals, under this system greatly increases those who rely on sub-contractors to provide labor services, in such form of the tax burden on taxpayers.