The utility model discloses a two power take off turbines of compact, including the one -level turbine that is used for driving the compressor, a second grade turbine for driving the generator, and the casing in the outside of one -level turbine and second grade turbine is located to the cover, the fixed cover of one -level turbine is located on the one -level turbine shaft, the fixed cover of second grade turbine is located on the second grade turbine shaft, center pin parallel or collineation setting with the center pin of second grade turbine shaft of one -level turbine shaft, the import department of one -level turbine is equipped with radial nozzle cascade, the import department of second grade turbine is equipped with the axial nozzle cascade, be equipped with interstage guide housing between axial nozzle cascade and the one -level turbine, form between the inner wall of interstage guide housing and casing and be used for guiding waste gas to get into the direction passageway of axial nozzle cascade, the one -level turbine is radial -flow turbine or mixed -flow turbine, the second grade turbine is axial flow turbine. This kind of two power take off turbines of compact can make full use of one -level turbine the exhaust gas energy of export be used for the electricity generation, can realize promoting engine exhaust energy use rate, compact structure by a wide margin.