This invention relates to a decoration assembly structure of cinerary urn, which comprises a first three-dimensional object a cover body, which is disposed on top of the first three-dimensional object and may be translucent or transparent with which the first three-dimensional object can be seen, and the periphery of the cover body is provided with a first fastening portion and, an outer ring, which is a ring body and is assembled with the first three-dimensional object and the cover body. The outer ring is configured with a receiving space where the first three-dimensional object and the cover body are received. The outer ring is fitted on the cover body. The cover body is disposed between the first three-dimensional object and the outer ring. The inner side of the outer ring is provided with a first edge surface that is abutted against the cover body to prevent the cover body from being released from the outer ring. The inner diameter of the first edge surface is less than the outer of the cover body. The inner surface of the first edge surface of the outer ring is configured with a second fastening portion that is fastened with the first fastening portion of the cover body.本發明係關於一種骨灰罈裝飾件組結構,其係包括:一第一立體物;一蓋體,該蓋體係設於第一立體物上方,該蓋體係可為半透明或透明狀,透過蓋體係可看到第一立體物,該蓋體之周緣係設有第一固設部;一外圈,該外圈係呈圓環體狀,該外圈係與第一立體物及蓋體相組設,該外圈內係設有容置空間,該第一立體物及蓋體係容置於容置空間內,該外圈係套合於蓋體上,該蓋體係設於第一立體物與外圈間,該外圈內側係設有第一邊面,該第一邊面係與蓋體相靠抵,使該蓋體係不脫出外圈外,該第一邊面之內直徑係小於蓋體之外直徑,該外圈之第一邊面之內面係設有第二固設部,該第二固設部係與蓋體之第一固設部相固設。20‧‧‧第一立體物30‧‧‧蓋體31‧‧‧第一固設部40‧‧‧外圈41‧‧‧容置空間42‧‧‧第一邊面43‧‧‧第二邊面44‧‧‧第二固設部50‧‧‧第二立體物
