Based on the analyses of main problems and causes affecting graduation design quality majoring in water resources, discussions on demands of design quality are conducted from the point of view of colleges, society, employers and students, and principles and methods for graduation design quality control are proposed. The graduation design quality control practices at the College of Hydraulic Science and Engineering of Yangzhou University show that the innovative thinking and abilities are developed, and the graduation design qualities are remarkably improved through consummating graduation design quality control system, launching researchoriented teaching and studying, and guiding students setting up precise and truthseeking design ideas.