Push-pull type background wall

The utility model provides a push-pull type background wall, which relates to the technical field of background walls and comprises a wall body, a mounting device is arranged on the front side of the wall body, a push-pull device is arranged in the mounting device, the mounting device comprises a frame, a plurality of storage grooves are formed in the left side and the right side of the frame, and the push-pull device is arranged in the storage grooves. Two linear guide rails are arranged at the top and the top of the interior of the frame, four sets of sliding grooves are formed between the two linear guide rails, the push-pull device comprises three background plates, two universal pulleys are arranged at the top and the bottom of each background plate, a wire hole is formed in the position, close to the bottom, of the front face of the background plate in the middle, and the wire hole is communicated with the linear guide rails. A line hole is formed in the background plate, a television installation groov