An inner canister for moisture-proof function, comprising a can body, a can lid and a sealing ring, the can body having a groove facing upwardly for receiving ashes, the can cover comprising a cover a cover body of the opening of the receiving groove and a convex portion extending from the bottom surface of the cover body into the receiving groove, the sealing ring being made of a flexible soft material, which is loop-shaped and wrapped Covered on the outer peripheral surface of the convex portion, the outer diameter of the sealing ring is slightly larger than the inner diameter of the receiving groove, and when the can lid is covered on the can body, the sealing ring is deformed by the two It forms a good seal and moisture-proof effect, and can generate friction to combine the two without slipping out or falling off easily.一種具防潮功能的骨灰罐內罐，包括一罐身、一罐蓋及一密封環，該罐身係具有朝上開口之一容槽可供容納骨灰，該罐蓋係包含可供封蓋住該容槽的開口之一蓋體及由該蓋體的底面向下延伸入該容槽中之一凸部，該密封環係由具彈性之軟性材質製成，其係呈環圈狀且包覆固定於該凸部的外周面上，該密封環的外徑係略大於該容槽的內徑，當該罐蓋蓋合於該罐身上時，該密封環會被兩者夾壓變形而形成良好密封防潮效果，而且並可產生摩擦力使兩者結合而不會輕易向外滑出或脫落。
