The advent of the high-speed railway era has greatly facilitated the travel of the vast number of people.Nowadays, people's demand for high-speed rail is also increasing, and it is gradually developing towards the direction of customization and intelligence.Starting from the travel needs of business people, this design specifically designed a new interactive seat, with sedentary reminder, automatic seat adjustment and other functions.On this basis, the control logic and interactive display of high-speed rail seat function are designed.Finally, based on ergonomics, the parameters and appearance of the seat, the parameters and mechanism of the telescopic seat are designed and the effect rendering diagram is made.The addition of these functions and the new seat design are expected to help the business crowd get a better travel experience and further improve the high-speed rail service.