The invention relates to a heatable rotary car cup holder, which includes a central box, a rotating cup set, a heating device, a motor and a control device; Water cup, the number of water cups is more than two, the turntable covers the upper surface of the central box, one end of the rotating shaft is connected to the turntable, the other end of the rotating shaft is connected to the output end of the motor, and there are multiple through holes on the surface of the turntable, the number of through holes is the same as that of the water cups The number is the same, the water cups are placed in the through hole; the heating device is arranged at the bottom of the central box, the number of the heating device is the same as the number of the water cups, and the bottom of the water cups is opposite to a heating device; the heating device and the motor are connected to the control device , the control device also includes a control panel, and the control panel is arranged on the surface of the central box body. The heatable rotary car cup holder of the present invention has a heating function, can supply drinking water to many people at the same time, has a reasonable structure and is convenient to use.