Embodiments of the present invention disclose a housing component of a terminal device, and a terminal. The housing component includes a front-housing component and a cover glass. The front-housing component includes a front housing and a plurality of supporting members disposed on a surface of the front housing. First glue guiding grooves are disposed on the surface of the front housing at intervals. Second glue guiding grooves are disposed on surfaces of the supporting members. Projections of the first glue guiding groove and the second glue guiding groove on the surface of the front housing are complete rings that do not overlap. Dispensing glue is disposed in the first glue guiding groove and the second glue guiding groove, so that the cover glass is in a sealed connection to the front-housing component.