Abstract: Wheat straw mechanized returning to field effectively solved problem that straw burning was prohibited.After straw returned to field，soil organic matter was increased，soil aggregate structure was improved，permeability of soil was increased，and it was good for soil water storage and protecting fertilizer keep moisture.Prevention and control of atmospheric pollution and the economical and intensive utilization of resources were strongly promoted，and sustainable development of agricultural economy was realized.But in promotion of wheat straw mechanized returning，there were some problems.Effective measures must be taken，such as strengthening organizational leadership，promoting its healthy development，and ensuring food production.