Double-layer parking space and garage with same

The invention provides a double-layer parking space. The double-layer parking space comprises a floor, a base, a rotary supporting platform, a driving device, a locking device and a fixed support, wherein the floor is fixedly arranged on the ground; the base is fixedly arranged on the floor and used for parking a car; the rotary supporting platform is provided with a tray, the upper surface of the tray is used for being parked by the car, a rotary support is arranged at the lower part of the tray, one end of the rotary support can be axially rotatably fixed with the tray, the other end of the rotary support can be axially rotatably fixed with the floor, the upper surface of the tray always keeps to be horizontal with the ground, and the tray and the rotary support are mutually not intervened with the car parked on the base; the driving device drives the rotary support to rotate along the axial direction; and the locking device locks the rotary support when the rotary support rotates to a certain angle. The fi