A kind of improvement construction of cinerary urn, the cinerary urn system is equipped with altar body, outer cover, inner lining, inner cap body, wherein cover cap closes in closing Hou merging altar body within the liner system, it is closed on closing what altar body by outer cover lid again, its characteristic is in what: the outer surface system of the inner lining and inner cap body is equipped at least one layer of laminate polyester, thereby, when cinerary urn can be made to be hit, its inner lining and inner cap body are not easily broken, and can save the integrality person of bone ash inside it. 一種骨灰罈之改良構造，該骨灰罈係設有罈體、外蓋體、內膽體、內蓋體，其中該內膽體係以內蓋體蓋合封閉後置入罈體內，再由外蓋體蓋合封閉於罈體上，其特徵在於：該內膽體及內蓋體的外表面係設有至少一層聚酯膠膜，藉此，能使骨灰罈受到撞擊時，其內膽體及內蓋體不易碎裂，而能保存其內部骨灰之完整性者。
