The utility model relates to an improvement of the structure of an urn, which mainly comprises an urn body, a cover body, a bearing box arranged above the inner part of the urn body, and an air tight piece arranged at the opening of the urn body.Among them,The altar system is provided with a surrounding inlay groove at the outer edge of the opening.The bearing box has a plurality of through holes.For placing desiccant in the container,The air tight part is provided with an extension from the outer periphery.And a plurality of air tight sheets surrounding the outer circumference,After the ashes are placed in the altar,Place the bearing box on the top of the altar.And cover the air tight parts on the altar body.It is embedded in the groove around the opening of the altar body.After the lid is closed,By extruding the air tight piece of the air tight part with the cover body,To achieve air tightness and shock absorption,And by the adsorption of the desiccant in the bearing box,To keep the ashes dry.一種骨灰罈結構之改良，主要係包含罈體、蓋體及置於該罈體內部上方之承盒，以及置於該罈體開口之氣密件。其中，該罈體係於開口外緣設有環繞之嵌槽，該承盒係具有複數之透孔，以供於該承盒放置乾燥劑，該氣密件係設有由外周緣延伸，且環繞於外周緣之複數氣密片，俾於罈體置入骨灰後，將承盒置於罈體之上方，並將氣密件蓋於罈體，使其嵌置於罈體開口周緣之嵌槽，於蓋體蓋合後，藉由蓋體對氣密件之氣密片的擠壓，以達到氣密及避震效果，且藉由承盒內之乾燥劑的吸附，使骨灰得以保持乾燥。
