In today's prevalence of functionalist office chairs, we should pay more attention to people's pursuit of simplicity and their emotional needs for beauty and comfort. We should not affect our enthusiasm for work and the pursuit of a comfortable and personalized office environment because of boring and uniform office furniture. The dancing sail breaks the stereotyped mechanical shape of the office chair and the mechanical assembly of various materials. It takes the graceful body curve of the dancer and the sail raised by the wind as the elements, and creates a visual combination of rigidity and softness through the streamline shape and simple color matching. Comfortable and warm psychological feeling; in addition, using the current technology of integrated molding of various materials, the simplest and lowest cost combination is used to achieve the unity of function and form, improve the recovery rate of materials and reduce the difficulty of recovery.