PROBLEM TO BE SOLVED: To provide a method and device for processing food materials, capable of reliably and efficiently performing sterilization treatment of food materials, with suppressed treatment cost and treatment time.SOLUTION: At least a portion of food material is immersed in sterilization water W reserved in a sterilization container 3 having a drain outlet 11. While the sterilization water W is discharged to make a water flow, a part of the portion of the food material immersed in the sterilization water W is cut and separated in the vicinity of the drain outlet 11.COPYRIGHT: (C)2015,JPO&INPIT【課題】食材の殺菌処理を確実かつ効率的に行い、加工処理コスト及び加工処理時間を抑えことのできる食材の加工処理方法及び食材の加工処理装置を提供する。【解決手段】排水口11が形成された殺菌容器3に貯留された殺菌水中Wに、食材の少なくとも一部を浸漬し、殺菌水Wを排水して水流を形成しつつ排水口11の近傍で前記食材の殺菌水Wに浸漬された部分の一部を切断分離することを特徴とする。【選択図】図1