Traditional culture provides rich themes and materials for modern design, and the creative product design of traditional culture theme also carries the mission of cultural output. In this process, the function and aesthetics of the product should provide support for cultural output to meet the diverse consumer needs of the public. From the perspective of the relationship between'form and function', this paper discusses the design thinking of adhering to tradition while innovating. Taking the design practice of Fuxi and Nüwa Liquid aroma bottle as an example, it shows a creative thinking mode different from the usual industrial product design, and explains its creative process in detail.