A poultry treatment system relating to dissection, shape arrangement, and dispensing treatment, which can prevent the growth of bacteria in cleaning, cooling, and succeeding treatment processes for making possible the securing of the least contaminated state (the number of common live bacteria carried by a packed article of 2 kg is 10.sup.2), composed of; a pretreatment section 20 comprising hanging part 20a, bloodletting part 20b, immersion-in-hot-water part 20c; a treatment section 10 comprising a plucking part 11, hollowing part 12, cleaning/sterilizing/cooling part 13, and water-washing part 14; a dissecting/dispensing/packaging section comprising a automatic dissection part 16, shape arrangement part 17, dispensing/packaging part 18; and shipment section 21.