PURPOSE: A vacuum cinerary urn is provided to effectively prevent the inflow of outdoor air to a space where remains are contained. CONSTITUTION: A vacuum cinerary urn comprises a body, an outer cover, an inner cover (120), and a first sealing member. The body includes a space for containing remains, and a plurality of concave-convex portions is formed into a ring shape along the upper inner periphery of the body. The outer cover covers the upper part of the body. The inner cover is embedded in between the outer cover and the body, and a hole for expelling air from the inside of the body is formed in the center of the inner cover. The first sealing member is formed in the central hole of the inner cover. The plurality of concave-convex portions is formed on the inner surface of the body to the internal space. A support is protruded under the concave-convex portions.유골이 담긴 공간과 외기(外氣)를 매우 효과적으로 차단할 수 있으며, 또한 이러한 에폭시와 같은 밀봉 물질을 수용할 수 있는 공간이 공기 틈새 주변에 구비되어져 유골함 내부의 진공 상태를 오랜 기간 유지할 수 있고 밀봉 물질과 유골함 벽면의 밀착성이 향상된 구조를 가지고 있어서 밀봉 성능이 오래 유지되는 장점이 있는 유골함이 제시된다.
