To provide a cup holder device capable of ensuring the supporting height of a beverage container.

The cup holder device comprises a cup holder body 4 having a side housing part 3 capable of housing a side portion of a beverage container 2 at least in a partial manner. A storage recess 11 is formed in an edge of the side housing part 3 of the cup holder body 4. A vertical supporting member which is capable of vertically supporting the side portion of the beverage container 2 in an erected state and stored in the storage recess 11 in a collapsed state by derricking the supporting member around a support shaft 12 extending in a substantially tangential direction of the side housing part 3 is provided in the storage recess 11. An urging member 16 which is capable of constantly urging the vertical supporting member 13 in the collapsing direction is provided. An operation end 15 capable of erecting the vertical supporting member 13 which is projected inward of the side housing part 3 and depressed downwardly by the beverage container 2 is provided on the vertical supporting member 13.