Modernity is not a simple vehicle, it has a combination of "people, cars and environment". Seat is a direct support device for vehicle users, which is of great importance in automobiles. The main function of Coach seat is to provide passengers with seats that are easy to control, comfortable, safe and not easy to fatigue. The size of the seat installation position is very important, which directly affects the user's convenience, comfort, better rest and fatigue relief. With the rapid development of national economy and the continuous improvement of people's living standards in recent years, especially the rapid development of tourism and the construction of expressways, various travel companies, taxi companies and hotel departments urgently need luxury, comfortable, good performance, safe and reliable buses. On the bus, the passenger seat is an important part connected with the body interior, which directly affects the comfort and safety of the vehicle.

Modern bus seats are closely related to the safety and comfort of automobiles. Standard seat design is an important topic in the development of automobiles. This paper will briefly expound the design method, design characteristics and future design direction of modern bus seats. The materials mainly come from chairs, adjustment and design, so the basic analysis and description are made.