The invention relates to the technical field of vehicles, in particular to an opening and closing system and a vehicle. The opening and closing system comprises a rotating driver, a fixed plate fixedly installed on a fixed part of the vehicle, and a rotating plate fixedly connected with a rotating part of the vehicle, wherein the rotating plate can be rotationally installed on the fixed plate and is connected with a driving shaft of the rotating driver, the rotating part can rotate synchronously along with the rotating plate while the driving shaft rotates, and opening and closing switching relative to the fixed part is achieved. The vehicle comprises the opening and closing system. Due to the structural arrangement that rotation is performed through the opening and closing system to open the rotating part of the vehicle, operating convenience and durability are remarkably improved, and the space utilizing rate is remarkably increased.