A bone ash urn decorative assembly structure comprises a base seat, a first three-dimensional object, a cover body and an outer ring. The base seat is configured with a first containing tank and a first connecting part. The first three-dimensional object is accommodated in the first containing tank of the base seat. The cover body engaged to an opening of the base seat is utilized for covering and sealing the opening of the base seat. The cover body can be semitransparent or transparent, through which the first three-dimensional object accommodated in the first containing tank of the base seat can be seen. The outer ring, which is assembled with the base seat and the cover body together, is configured with a second connecting part that is assembled with the first connecting part of the base seat. The outer ring is sleeved on the base seat and the cover body, and the cover body is arranged between the base seat and the outer ring. The outer ring comprises a first side surface abutted against the cover body, so that the cover body is prevented from being disengaged from the outer ring. Besides, the first side surface is covered on a peripheral edge 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:一底座,該底座係設有第一容槽,該底座係設有第一結合部;一第一立體物,該第一立體物係容設於底座之第一容槽內;一蓋體,該蓋體係配合底座之開口蓋合封閉之,該蓋體係可為半透明或透明狀,透過該蓋體而看到容設於第一容槽內之第一立體物;一外圈,該外圈係與底座及蓋體相組設,該外圈係設有第二結合部,該第二結合部係與本體之第一結合部相組設,該外圈係套合於底座及蓋體上,該蓋體係設於底座與外圈間,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,該第一邊面係蓋設於蓋體周緣處。10‧‧‧底座11‧‧‧第一容槽12‧‧‧第一結合部20‧‧‧第一立體物30‧‧‧蓋體40‧‧‧外圈41‧‧‧第二結合部42‧‧‧第一邊面43‧‧‧第二邊面50‧‧‧第二立體物
