Based on the concept of ecological harmony, the ecological construction of Mihe water project in Linqu County has made significant progress. Under the background of the new era, the ecological construction status of Mihe water project is analyzed, and five-dimension protections are proposed to build the project strengthening the top-level design of the government and clarifying the institutional guarantee of Mihe; improving the working mechanism of Mihe river chief system to strengthen the main responsibility; increasing capital investment to comprehensively improve Mihe river management and protection; carrying forward Mihe culture and pay attention to the construction of Mihe ecological culture; relying on science and technology to build the smart water management of Mihe River.