To surely fix both cabinet members to another cabinet in a prescribed relative position in a housing structure for an electronic apparatus having a cabinet assembly 4 composed from a first cabinet member on an outer surface side and a second cabinet member on an inner side and engaging the cabinet assembly 4 to another cabinet 3.

A housing structure pertaining to this invention has: a side wall unit 57 of a first cabinet member and a side wall unit 61 of a second cabinet member overlapping with each other; an end unit of another cabinet 3 formed with a projection piece 32 projecting toward inside of a housing on an engaging unit with the cabinet assembly 4; a through hole 58 into which the projection piece 32 is to be fitted on the side wall section 57 of the first cabinet member and having the projection piece 32 fitted into the through hole 58 of the first cabinet member; and a head unit of the projection piece 32 projecting from the though hole 58 in sliding contact with an end surface 62 of the side wall unit 61 of a second cabinet member.