Abstract: According to the different discharge flows for Qipanshan Reservoir, the operation scheme of the downstream damming buildings is determined, and the principle and scheme of joint operation of sluice and dam is put forward which can give full play to the advantages of regulation and storage capacity in the cascade sluice and dam groups in the Puhe River basin such as the sluice and control sluice, and a scientific and reasonable joint operation scheme of sluice and dam is put forward which can optimize the regional water resources allocation, improve the ecological water guarantee degree of river channels and maximize the benefit of sluices and dams. And the joint operation is analyzed preliminarily.