This portfolio is a review of my works during undergraduate study and nine representative projects were selected for showing my design thinking and skills. The life-related product, service, and system designs are the main focus of my previous designs and my personal goal is to use my designs for promoting the social development and raise people's thinking about innovation and change. Among them, the first project self-checkout system demonstrates my outlook toward the future, which will be full of IOT design and self-service system. Manpower resource will be well and reasonably used in China. The next one shows my understanding of nowadays social condition and the future development. Share and open will be two keywords in the concept of the Chinese community and these transitions could be promoted by designs. At addition, hair dryer, lamp system and lights design are project designs that related to the courses I took. Aesthetic, problem solving and manufacturing process are showed in