An urn structure includes an urn body, the urn body having an accommodating space for accommodating ashes or bones, the urn body having a storage space communicating with the accommodating space a maintaining material, which is disposed in the storage space of the urn body to enable the maintaining material to communicate with the accommodating space, so that the accommodating space is maintained at an environment state of avoiding occurrences of ashes deterioration, mildew or odor and a detection device, the detection device including a moisture-sensing element and a sealing member, the moisture sensing element being allowed to directly detect and display the conditions of the accommodating space of the urn body, the sealing member sealing the moisture-sensing element so as to prevent the moisture-sensing element from contacting with the outside world, the sealing member being transparent or semitransparent.一種骨灰罐結構,包括:一骨灰罐本體,該骨灰罐本體係設有一容置空間可供容置骨灰或遺骨,該骨灰罐本體係設有一收納空間,該收納空間係與容置空間相通;一維持材料,該維持材料係設於該骨灰罐本體之收納空間處,使該維持材料係與容置空間相通,以使該容置空間維持在避免該骨灰發生變質、發霉或產生異味的環境狀態;一偵測裝置,該偵測裝置係包含一感濕元件及封閉件,該感濕元件係設於骨灰罐本體,該感濕元件係可直接偵測及顯示該骨灰罐本體之容置空間中的狀態,該封閉件係封閉感濕元件,使該感濕元件避免於外界相接觸,該封閉件係呈透明狀或半透明狀。10‧‧‧骨灰罐本體11‧‧‧外罐12‧‧‧內罐13‧‧‧中蓋14‧‧‧外蓋15‧‧‧內蓋16‧‧‧容置空間17‧‧‧收納空間20‧‧‧維持材料30‧‧‧偵測裝置34‧‧‧感濕元件35‧‧‧封閉件
