PROBLEM TO BE SOLVED: To provide: a washing apparatus of a flaky thing in which washing at both sides of the flaky thing is performed, and an adhering foreign matter can be removed by an extremely easy structure and a washing method of the flaky thing.SOLUTION: A washing apparatus of a flaky thing includes a shower of washing water and two or more net shape conveyors that move the flaky thing exposed to the shower and arranged to be superimposed such that an end is vertically spaced by a distance, and is characterized in that the flaky thing is reversed up and down when falling to a following conveyor, in addition a washing method of the flaky thing is characterized in that the flaky thing is moved by the two or more conveyors superimposed such that an end is vertically spaced by a distance, and the flaky thing is reversed up and down when falling to a following conveyor.COPYRIGHT: (C)2014,JPO&INPIT【課題】極めて簡単な構成で、薄片状物の両面の洗浄を行い、付着した異物を除去することができる薄片状物の洗浄装置、及び薄片状物の洗浄方法を提供する。【解決手段】洗浄水であるシャワーと、前記シャワーに曝露され端部を上下に距離をあけ重ねて配置され薄片状物を移動させる複数のネット状のコンベアと、からなり、前記薄片状物が次のコンベアに落下する際に上下反転することを特徴とする薄片状物の洗浄装置の構成、端部か上下に距離をあけて重なる複数のコンベアで薄片状物を移動させ、前記薄片状物が次のコンベアに落下する際に、前記薄片状物を上下反転させることを特徴とする薄片状物の洗浄方法の構成とした。【選択図】図1