在复合税制下，政府赋予整个税收体系的政策目标必须在不同税种之间有所分工，不同税种在实现政府政策目标过程中必须协调平衡和相互衔接，即本文中所说的协同。所得税的政策协同包括所得税与整个税收体系中其他税类的协同，即与流转税的协同、与财产税的协同,还包括所得税内部 Under the compound tax system, the policy objectives given by the government to the entire tax system must be divided among different tax types. Different tax types must coordinate and balance with each other in realizing the goals of the government policies, namely the synergy described in this article. The policy coordination of income tax includes the synergy between income tax and other taxes in the whole tax system, that is, synergy with turnover tax, synergy with property tax, and internal income tax