A refrigerator drawer comprising: a storage box forwardly movable in a storage chamber provided in a cabinet; a supporting member provided in the storage chamber to support the storage box; a guide member provided between the supporting member and the storage box, the guide member secured to the storage box, and being relatively-movable with respect to the storage box and the supporting member, wherein the guide member is movably connected to the storage box and the guide member comprises at least one guiding slot configured to guide the relative-motion with the storage box, and the supporting member includes a guiding part configured to seat the guide member therein, with an open front part and a closed rear portion, and a supporting part configured to support the guide member connected with the storage box when the storage box is moved out; a rib protruded from each of opposite side surfaces of the storage box, the rib secured to the guide member, wherein the rib is slidably supported by the guide member; characterized by at least one securing member having a bolt with a bolt head-shape at the end of the securing member, configured to pass via the guiding slot to the rib and to secure the rib movably with the guide member; a roller provided in a rear end of the guide member to move with respect to the supporting member; wherein the guide member includes a rectangular-shaped vertical plate member seated in an end of the rib, a first horizontal plate member vertically bent from an end of the vertical plate member to seat a lower horizontal rib of the rib thereon and a second horizontal plate member horizontally bent from the other end of the vertical plate member in an opposite direction of the first horizontal plate member to be seated in the supporting member. a storage box forwardly movable in a storage chamber provided in a cabinet; a supporting member provided in the storage chamber to support the storage box; a guide member provided between the supporting member and the storage box, the guide member secured to the storage box, and being relatively-movable with respect to the storage box and the supporting member, wherein the guide member is movably connected to the storage box and the guide member comprises at least one guiding slot configured to guide the relative-motion with the storage box, and the supporting member includes a guiding part configured to seat the guide member therein, with an open front part and a closed rear portion, and a supporting part configured to support the guide member connected with the storage box when the storage box is moved out; a rib protruded from each of opposite side surfaces of the storage box, the rib secured to the guide member, wherein the rib is slidably supported by the guide member; characterized by at least one securing member having a bolt with a bolt head-shape at the end of the securing member, configured to pass via the guiding slot to the rib and to secure the rib movably with the guide member; a roller provided in a rear end of the guide member to move with respect to the supporting member; wherein the guide member includes a rectangular-shaped vertical plate member seated in an end of the rib, a first horizontal plate member vertically bent from an end of the vertical plate member to seat a lower horizontal rib of the rib thereon and a second horizontal plate member horizontally bent from the other end of the vertical plate member in an opposite direction of the first horizontal plate member to be seated in the supporting member.