An instrument panel module, comprising: an instrument panel base member provided at a front section of a vehicle compartment; a retainer that is joined to a back-face side of the instrument panel base member and that comprises a frame section formed with an opening section that opens towards a front-face side of the instrument panel base member; an airbag unit comprising an airbag that is housed in a folded state inside the frame section and that inflates and deploys to the front-face side of the instrument panel base member when supplied with gas; an airbag door formed at the instrument panel base member, comprising a door main body section that closes off a first portion of the opening section and that is capable of opening either to a vehicle top side or a vehicle bottom side; a decorative panel comprising a door adjacent portion that is adjacent to the door main body section in a vehicle top-bottom direction, a portion (62C, 62D) of the door adjacent portion at a door main body section side closing off a remaining portion of the opening section, and a portion of the door adjacent portion at an opposite side to the door main body section being positioned toward the opposite side to the door main body section than the opening section; and characterized by further comprising a hinge member that is joined to the portion of the door adjacent portion at the opposite side to the door main body section, that is fixed to the instrument panel base member, and that supports the door adjacent portion so as to enable the door adjacent portion to open in an opposite direction to an opening direction of the airbag door. an instrument panel base member provided at a front section of a vehicle compartment; a retainer that is joined to a back-face side of the instrument panel base member and that comprises a frame section formed with an opening section that opens towards a front-face side of the instrument panel base member; an airbag unit comprising an airbag that is housed in a folded state inside the frame section and that inflates and deploys to the front-face side of the instrument panel base member when supplied with gas; an airbag door formed at the instrument panel base member, comprising a door main body section that closes off a first portion of the opening section and that is capable of opening either to a vehicle top side or a vehicle bottom side; a decorative panel comprising a door adjacent portion that is adjacent to the door main body section in a vehicle top-bottom direction, a portion (62C, 62D) of the door adjacent portion at a door main body section side closing off a remaining portion of the opening section, and a portion of the door adjacent portion at an opposite side to the door main body section being positioned toward the opposite side to the door main body section than the opening section; and characterized by further comprising a hinge member that is joined to the portion of the door adjacent portion at the opposite side to the door main body section, that is fixed to the instrument panel base member, and that supports the door adjacent portion so as to enable the door adjacent portion to open in an opposite direction to an opening direction of the airbag door.