A refrigerator having an ice-making device, including: a main body having a storage space; a door for selectively opening or closing the storage space; an ice maker for making ice, the ice maker being provided on the backside of the door for selectively opening or closing the storage space of the refrigerator; an ice bank detachably installed on the backside of the door below the ice maker so as to store ice made in the ice maker, the ice bank having an ice-releasing means for transferring the ice to a dispenser and an ice-crushing means for crushing the ice; a driving connector provided at one side of the backside of the door and rotated by a driving means for providing a driving force for use in operating the ice-releasing means and the ice-crushing means; and an interlocking connector provided at one side of a backside of the ice bank and rotated in cooperation with the rotation of the driving connector so as to transmit the driving force of the driving means to the ice-releasing means and the ice-crushing means, wherein a pair of interlocking protrusions protruding from the backside of the door are provided on the driving connector, and a pair of interlocking ribs respectively engaged with the interlocking protrusions are provided on the interlocking connector, whereby upon rotation of the driving connector, the interlocking connector is rotated by the interlocking protrusions and the interlocking ribs that are engaged with each other, further comprising an ice maker cover detachably installed on the backside of the door to selectively open or close the ice maker, wherein in a state where the ice bank is installed in an installation space, the upper end circumference of the ice bank is spaced apart by a predetermined distance from the underside of the ice maker and the lower end circumference of the ice maker cover. a main body having a storage space; a door for selectively opening or closing the storage space; an ice maker for making ice, the ice maker being provided on the backside of the door for selectively opening or closing the storage space of the refrigerator; an ice bank detachably installed on the backside of the door below the ice maker so as to store ice made in the ice maker, the ice bank having an ice-releasing means for transferring the ice to a dispenser and an ice-crushing means for crushing the ice; a driving connector provided at one side of the backside of the door and rotated by a driving means for providing a driving force for use in operating the ice-releasing means and the ice-crushing means; and an interlocking connector provided at one side of a backside of the ice bank and rotated in cooperation with the rotation of the driving connector so as to transmit the driving force of the driving means to the ice-releasing means and the ice-crushing means, wherein a pair of interlocking protrusions protruding from the backside of the door are provided on the driving connector, and a pair of interlocking ribs respectively engaged with the interlocking protrusions are provided on the interlocking connector, whereby upon rotation of the driving connector, the interlocking connector is rotated by the interlocking protrusions and the interlocking ribs that are engaged with each other, further comprising an ice maker cover detachably installed on the backside of the door to selectively open or close the ice maker, wherein in a state where the ice bank is installed in an installation space, the upper end circumference of the ice bank is spaced apart by a predetermined distance from the underside of the ice maker and the lower end circumference of the ice maker cover.