An improved structure of an ash can, comprising a can body, a lip ring and a rubber ring, the can system being made of stone, comprising a can body and a can lid, the bottom surface of the can lid having a groove, the lip ring system a lip that is coupled to the open end surface of the can body and has a smaller outer diameter for extending into the groove, the rubber ring is made of a flexible soft material and can be sandwiched between the can lid The sealing and the lip ring form a good sealing and bonding effect; the above structure can make the surface of the ashes can be aligned, the sealing and bonding effect can be better, and the production and use can be made simpler.一種骨灰罐改良結構,包括一罐體、一唇環及一膠圈,該罐體係為石材製成,包含有一罐身及一罐蓋,該罐蓋的底面具有一凹槽,該唇環係結合在該罐身之開口端面上,且具有較小外徑之一唇緣可供延伸入該凹槽中,該膠圈係具彈性之軟性材質製成,且可被夾設在該罐蓋與該唇環之間而形成良好密封及結合效果;藉由上述結構係可使骨灰罐表面紋路對齊、可使密封與結合效果較佳及可使製作與使用上較簡單者。