In response to these circumstances, it should be in accordance with the approach advocated by Keynes, to act, that is, if the lack of demand is the result of market forces, then the introduction of a policy to regulate demand. Demand management focus should be on short-term, but short-term demand management and economic stability can not be all of economic policy must also take into account the different components of aggregate demand, long-term balance between. In China, demand management should not only consider the total demand for investment, consumption, the balance between imports and exports, but also to take into account the internal structure of a single demand, especially in the structure of investment demand, therefore, in the process of implementing the proactive fiscal policy, we must concerned about the direction of bond investment choice.