集安下解放第31号墓是高句丽壁画墓,壁画残存不多。墓葬结构与以往发现的高句丽壁画墓有所不同。它属于带短甬道的双室墓,但前室矮小,构筑的用材均是加工整齐的石灰岩石条。本文将集安的高句丽壁画墓重新划分为四期,并推定了它们的大体年代。此墓被列入第三期,年代相当于5-6世纪初的后段。 Set the liberation of Tomb No. 31 is Koguryo murals tomb, few surviving murals. The structure of the tombs is different from that of the Kogury 丽 Mural Tombs found in the past. It belongs to a double chamber with a short corridor of tomb, but the anterior chamber is short, the construction of timber are processed neat limestone. In this paper, the Goguryeo mural tombs collected from Anhsan are reclassified into four periods, and their general ages are presumed. This tomb was included in the third period, the equivalent of the early after the early 5-6 century.