Graduation design (Topic Selection) is an important part of undergraduate teaching plan. The Theoretical knowledge will be consolidated. Through implement the principles and theories in practice, It cultivates students' ability to analyze and solve problems. Students will use a variety of methods of quantitative and qualitative research on the background, history, geography, market, competing products, users, psychological and cultural fields to carry out in-depth investigation. Through the relevant literature, the acquired image data and user interviews, students should build research conclusion and clear design target.