A scroll structure and a compressor are provided. The scroll structure has a first scroll plate, a second scroll plate matching the first scroll plate, a back pressure plate and a floating plate. The first scroll plate and the second scroll plate can move relative to each other. A recess is provided at one end of the second scroll plate facing away from the first scroll plate. A first through hole is provided on the second scroll plate. The back pressure plate is arranged in the recess. A gap is provided between the back pressure plate and a side wall of the recess. The floating plate is movably arranged on the back pressure plate. The floating plate covers the gap. A first chamber is formed among the second scroll plate, the back pressure plate and the floating plate. The first through hole is in communication with the first chamber.