The invention discloses a lateral parking stereo garage. The lateral parking stereo garage is characterized in that the lateral parking stereo garage comprises a second vehicle carrying device, at least a first vehicle carrying device and driving devices, wherein the second vehicle carrying device is located at the bottom of a rack, the first vehicle carrying devices are fixed to the middle of therack through swing arm assemblies on the two sides, and the driving devices correspond to the swing arm assemblies one to one. The swing arm assemblies comprise inner arms and outer arms which are mutually nested, one ends of the outer arms are fixed ends, the fixed ends are movably connected with the rack, the other ends of the outer arms are movable ends, and the inner arms are exposed out of the movable ends and movably connected with one of the vehicle carrying devices; one ends of the driving devices are fixed ends, the fixed ends are movably connected with the bottom of the front side of the rack, the other ends of the driving devices are movable ends, and the movable ends are movably connected with the middles of the outer arms; and the second vehicle carrying device can move in the forward and backward direction of the rack. According to the lateral parking stereo garage, vehicle parking and picking up of up-down parking lots do not affect each other, receding is not needed, vehicle parking and picking up of the upper storey and the lower storey operate independently, and the parking and picking up efficiency is improved; and the structure of the rack is stable and simple,installation is convenient, and the application range is wide.