This paper makes several views which are important to the graduation design of water environmental pollution control direction of environmental engineering specialty This paper also makes some problems on the literature review, the sewage treatment process selection, process design, drawings and so on, and has specific explanation about the depth of design drawings, and points out the student’s shortage in the design process, and discusses how to improve the graduate design quality This paper is hoped to improve the quality of undergraduate students’ graduation design and play a positive role