A construction structure of a geodesic dome-shaped house and a connection structure body thereof comprises: a plurality of triangular unit modules constituting a unit structure and a connection structure body of a geodesic dome-shaped house; a pair of inner beams which are disposed on both opposing sides of the triangular unit module; a connector which is disposed in a corner area between the pair of inner beams and connected to the pair of inner beams by a first coupling member; and a pair of outer beams which are disposed on outer surfaces of the pair of inner beams, respectively and connected to the connector and the inner beams by a second coupling member.