The invention discloses a revolved body stone machining all-in-one machine. The revolved body stone machining all-in-one machine comprises a pedestal, stand columns and working heads. A front cross arm sliding up and down and a rear cross arm sliding up and down as well as sliding front and back are movably installed between the stand columns. The front cross arm and the pedestal are provided with stone clamps. The rear cross arm is provided with spindle boxes corresponding to all the stone clamps. The lower ends of output shafts of all the spindle boxes are provided with connecting pieces penetrating through the corresponding output shafts. All the output shafts are automatically connected with or disengaged from the corresponding working heads through the corresponding connecting pieces. Fixing stations which are orderly arrayed and used for storing the working heads are arranged at the positions, corresponding to all the output shafts, of the pedestal. All the fixing stations align the corresponding output shafts. Due to the facts that the pedestal is provided with the fixing stations, the working heads inside the fixing stations are matched with the connecting pieces arranged inside the spindle boxes, and the front cross arm and the rear cross arm are in sliding fit, the corresponding working heads can be automatically connected with or disengaged from the output shafts through the connecting pieces, and the working heads can be replaced automatically.