A decoration enclosure and a terminal are provided. The decoration enclosure is configured for decorating a fingerprint identification structure of the input assembly, and includes a decoration ring and a support rim. The support rim extends inwards from an inner wall of the decoration ring and supports the fingerprint identification structure. The decoration enclosure includes a flange extending outwards from an outer wall of the decoration ring, the flange and the decoration ring are separately formed, the decoration ring includes a muff-coupling portion connected to the support rim, and the flange is fitted over the muff-coupling portion. The flange includes a first protrusion and a second protrusion coupled to the first protrusion. The first protrusion includes a first portion and a second portion. The second portion is coupled to the first portion and the second protrusion, and the second portion protrudes beyond the first portion and the second protrusion.