The Songnen Plain is rich in black soil resources，with a wide area of swamps and wetlands，concentrated grasslands，and developed animal husbandry. Qiqihar City and Daqing City，which are located in Heilongjiang Province，are in the western part of Songnen Plain，accounting for 35.79% of the total area of Songnen Plain. There are plenty of ecological and environmental problems in this area，including continuously declining black soil quality，serious soil erosion of cultivated land，unstable water environment quality，and many abandoned mines and the sharp reduction of wetland area are urgently in need of governance.

Through the adoption of seven categories of technical measures，including black land resource protection，forest and grass protection and restoration，water resources protection and comprehensive utilization，water environment management and water ecological restoration projects，mine ecological restoration，biodiversity protection，capacity building and mechanism innovation，construct corresponding engineering projects，and implement integrated protection and restoration of mountains，rivers，forests，farmland，lakes，grasslands and sands in this area，which can provide a model for related ecological protection and restoration work in the Songnen Plain.