An object of the present invention is to propose heat insulating structure which is excellent in thermal insulating properties and higher in strength. The heat insulating structure includes: an aerogel layer 1 including aerogel particles A, adhesive, and fibers; and a retainer 2 which is provided to at least one face of the aerogel layer 1 and includes fiber materials 3 and binder resin. Each of the fibers is part of one of the fiber materials 3 included in the retainer 2.
