This paper aims to explore the modern transformation of European art design. Proper use of an example and description, documents and images, reasonable and speculative, the method of combining the theory of "anti-formalism" with the modernity transformation of art and design in Europe, discusses the cause and process of red and blue chair and Vassily chair, red blue chair is on the theory of "anti-formalism" of the modernity of art trend of art design product structure, Vassily chair is the modern realization and significance sublimation of art design product function. Anti-formalism" is the artistic background of the modern transformation of European art and design, and "red and blue chair" and "Vassily chair" are both typical design products to explore the modern transformation of European art and design. It explains the relationship between "anti-formalism", red and blue chair, Vassily chair and the modern transformation of European art and design, and points out that the key to the modern transformation of art and design is thinking about the "three elements" of design philosophy - form, structure and function in the order of design concepts.