The invention relates to a packaging machine, in particular to a full-automatic rotary capping machine for capping a spraying pump bottle. The full-automatic rotary capping machine comprises a stand (1), a power driving device (2), a capping assembly (3), a bottle body supplying device (4), a bottle guiding device (5), a bottle feeding star wheel device (6), a bottle stopping device (7), a bottledischarging star wheel device (8), a cap supplying device (9) and a bottle outputting device (10), wherein the capping assembly (3) comprises a main shaft (3-1), an intermediate shaft (3-2), a rotarydisk (3-3), a bottle carrying plate (3-4), a clamping device (3-5), a capping disk (3-6), a gear wheel reversing and driving device (3-7), a cap grabbing device (3-8) and a capping assisting device (3-9); and the rotary disk (3-3) and the bottle carrying plate (3-4) are sleeved on the main shaft (3-1). The invention has the advantages of simple structure, high production efficiency, realization of automatically capping the spraying pump bottle and favorable capping effect.