CURTAIN AIRBAG DEVICE

An embodiment discloses a curtain airbag device including an airbag cushion that includes a cushion main body and a tab strap which wraps around the cushion main body and binds the cushion main body to maintain a folded shape, and a ramp that is mounted on a roof rail of a vehicle through a fastening member and on which the airbag cushion is placed and supported, wherein the fastening member is coupled to a coupling hole formed in the ramp while not connected to the airbag cushion so as to fix the ramp to the roof rail.