Through the survey on the lifestyle of the post-90s generation, we can understand their demands for coffee machines, so as to explore the innovative design direction of coffee machines in line with the localization of China. Meanwhile, this survey also provides theoretical reference and form reference for the research of lifestyle theory in the field of product design. In this paper, quantitative and qualitative analysis methods are comprehensively applied. Firstly, based on the AIOD lifestyle measurement model, questionnaires are designed and investigated from four dimensions, including Activities, Interests, Opinions and Demographic. Secondly, SPSS software is used to extract the factors and conduct cluster analysis, through metaphor extraction technology and analytic hierarchy process for return visit and analysis, the focus of each group's demand for coffee machines is obtained to guide the design practice. The results show that there are four typical lifestyles of the post-90s generation:The Economic Conformity Group, The Achievement Pursuit Group, The Comfortable Experience Group and The Self-cognition Group. China's coffee machine market is bound to be localized, and its design should adopt different design directions together with the lifestyle and needs of young people in China.