To further promote the water pollution control of Northeast China,to ensure the water environmental safety of Songhua river and Liaohe river,and to accelerate the harmonious development of economy,society and environment in Northeast China,the performances of 32 typical municipal wastewater treatment plants(MWWTPs) located in 13 key cities of Liaoning,Jilin and Heilongjiang were investigated and analyzed.General problems generated in the operation and management of these MWWTPs were found out,and the corresponding strategies for their stable performances were proposed.These provide guidance from the perspective of water pollution control for the sustainable development and benign circulation of the economy in Northeast China.