Aiming at problems such as lack of emphasis and miss of key points in EIA of navigation-power junction project,we analyze the EIA result of different navigation-power junction projects in the Ganjiang River basin,and put forward the key points in regulation and planning compliance analysis,engineering analysis,ecological impact assessment,water environment and hydrological impact assessment in the navigation-power junction project,which are of great significance in guiding EIA study,reducing environment impact,and improving environment protection planning and environment management in the navigation-power junction project.