The present invention is a ash-tank structure, which comprises an altar body, an inner cover body and an outer cover body. The altar body is provided with a stone outer altar and a metal inner altar, and the metal inner altar is set on the outer stone altar. The inner side of the inner cover body is provided with a protrusion, the protrusion is provided with a receiving recess, and the inner surface of the receiving recess is provided with a decorative piece and a transparent cover, and the cover body is provided with a set of holes. The sleeve hole portion is provided with an outer cover piece, the cover portion of the inner cover body is closed on the metal inner top side of the body portion, and the outer cover body is closed on the inner cover body, and the inner cover body is protruded The inner hole of the outer cover body is arranged in the outer hole of the outer cover body, and the metal inner altar of the body of the altar is arranged in the outer altar of the stone, so that the ashes contained therein can prevent moisture from infiltrating, and the inner cover body and the outer cover body are sleeved. The structure makes the overall visual sense specific, in order to achieve structural stability and overall visual appeal.本創作係一種骨灰罈結構，其係包括一罈身部、一內蓋體及一外蓋體，該罈身部設有一石材外罈及一金屬內罈，而金屬內罈設於石材外罈內，且內蓋體頂側設有一凸座，該凸座內設有一容置凹部，而容置凹部內表面設有一飾片及一透明遮片，另外蓋體設有一套合孔部，該套合孔部設有一外飾片，其內蓋體之蓋合部蓋合於罈身部之金屬內罈頂側，而外蓋體蓋合於內蓋體上，該內蓋體之凸座套合於外蓋體之套合孔部，藉由罈身部之金屬內罈設於石材外罈內，使容置之骨灰可防止濕氣滲入，且內蓋體與外蓋體套合之結構使其整體產生之視覺感特異，以達結構穩定性及整體視覺感佳之功效。
