A kind of vacuum structure of urn can,Including a can body,One cover,One seal washer,One partition and a valve body,The can body through-stone material, which is scribed, to be formed and has one of upwardly opening tank for accommodating bone ash,The cover through-stone material scribes the opening for forming and covering the tank,The top surface of the cover has a groove,The groove bottom of the groove, which has, penetrates into the perforation of one of bottom surface,Seal washer system pad is located between the opening of the can body and the joint surface of the cover,The partition is incorporated in cover the perforation in the groove,And have thereon through one of combined hole and plural stomata,The valve body have a column,One fixed part and an elastic piece,The column is embedded in the combined hole,The fixed part is located at the bottom end of the column and the outer diameter big what column makes for being fastened on the bottom surface of the partition,The elastic piece be located at the top of the column and position the partition top surface and cover the plural number stomata,The elastic piece system can elasticity turn over to open the plural number stomata； The effect of making it have that vacuum leakproofness is good and the production is simple and convenient by above structure system and fraction defective and cost can be greatly reduced.一種骨灰罐的真空結構，包括一罐身、一罐蓋、一密封墊圈、一隔片及一閥體，該罐身係石材刻製而成且具有朝上開口之一容槽可供容納骨灰，該罐蓋係石材刻製而成且蓋住該容槽的開口，該罐蓋的頂面具有一凹槽，該凹槽的槽底面具有貫通到底面之一穿孔，該密封墊圈係墊設在該罐身的開口與該罐蓋的接合面之間，該隔片結合在該凹槽中以蓋住該穿孔，且其上具有貫穿之一結合孔及複數氣孔，該閥體具有一結合柱、一固定部及一彈性片，該結合柱嵌設在該結合孔中，該固定部設在該結合柱的底端且外徑大於該結合柱使可供卡設在該隔片的底面，該彈性片設在該結合柱的頂端且位在該隔片的頂面並覆蓋住該複數氣孔，該彈性片係可彈性上翻以開啟該複數氣孔；藉由上述結構係使其具有真空密封性良好及製作簡單方便而可大幅降低不良率與成本之功效。
