Abstract: A mounting structure of a container device that is intended for use in a vehicle mounts a container device 1 that is installed within an instrument panel of a vehicle upon a member of the vehicle body thereof that is in turn installed within the instrument panel thereof, wherein the container device 1 includes a container device body 2, and a lid body 3 that is mounted upon an opening portion of the container device body 2 so as to be capable of being opened and closed thereupon. The container device body 2 is formed into a primary storage portion 11 and a component for mounting upon the member of the vehicle body 13, the component for mounting upon the member of the vehicle body 13 thereof further including a mounting perforation 12 with respect to the member of the vehicle body thereof, and the mounting perforation of the component for mounting upon the member of the vehicle body 13 is formed into approximately a shape of a droplet of water, the shape thereof further comprising a partial angle portion 15.