The invention discloses a side suction nozzle packaging machine. The side suction nozzle packaging machine comprises a side suction nozzle horizontal bag feeding device, a bag opening fork device, a bag opening air blowing device, a charging device, a bag clamping device, a sealing device, a flat bag clip bag picking device and a rotating table, wherein the side suction nozzle horizontal bag feeding device, the flat bag clip bag picking device and the rotating table are arranged on the same line, the side suction nozzle horizontal bag feeding device is installed on a horizontal bag feeding support, the flat bag clip bag picking device is arranged at the right front of the side suction nozzle horizontal bag feeding device, the rotating table is arranged right ahead the side suction nozzle horizontal bag feeding device, and the bag opening fork device, the bag opening air blowing device, the charging device, the bag clamping device and the sealing device are arranged on the rotating table. Since the side suction nozzle horizontal bag feeding device and the flat bag clip bag picking device are arranged, the automatic feeding of side suction nozzle packaging bags is realized; through the improvement to the bag feeding device and in combination with the rotating table, the automatic bag opening, charging, sealing and output are realized, the packaging automation level is high and the production efficiency is high.