A refrigerator comprising: a cabinet that includes a storage compartment that has an opening at a front of the storage compartment; a door (S1, S2, S3, S4) that is configured to open and close at least a portion of the storage compartment; a drawer (D1, D2, D3) that is located in the storage compartment; and a withdrawal unit that is configured to push the drawer forward while the door is being opened; wherein the withdrawal unit comprises: a base part that is located under the drawer, that is configured to move forward while the door is being opened, and that is configured to move backward while the door is being closed; a rear frame that upwardly extends from the base part to a rear side of the drawer and that is configured to push the drawer forward based on the base part moving forward while the door is being opened; a withdrawal unit guide that is disposed between both side surfaces (S(s)) of the storage compartment and both sides of the base part, respectively, or between the bottom surface (S(b)) of the storage compartment and a bottom portion of the base part, and that is configured to guide movement of the base part in a forward direction and a backward direction; and a link that has a front end portion that is pivotably connected to the door, that has a rear end portion that is pivotably connected to the base part, and that is configured to move the base part based on the opening and closing of the door, wherein the refrigerator further comprises a pair of drawer guides disposed at side surfaces of the storage compartment and arranged to support and guide the drawer moving forward and backward, wherein the rear frame is disposed between the drawer and a rear surface of the storage compartment and the contact between the drawer (D1, D2, D3) and the rear frame is separable when the door is being closed. a cabinet that includes a storage compartment that has an opening at a front of the storage compartment; a door (S1, S2, S3, S4) that is configured to open and close at least a portion of the storage compartment; a drawer (D1, D2, D3) that is located in the storage compartment; and a withdrawal unit that is configured to push the drawer forward while the door is being opened; wherein the withdrawal unit comprises: a base part that is located under the drawer, that is configured to move forward while the door is being opened, and that is configured to move backward while the door is being closed; a rear frame that upwardly extends from the base part to a rear side of the drawer and that is configured to push the drawer forward based on the base part moving forward while the door is being opened; a withdrawal unit guide that is disposed between both side surfaces (S(s)) of the storage compartment and both sides of the base part, respectively, or between the bottom surface (S(b)) of the storage compartment and a bottom portion of the base part, and that is configured to guide movement of the base part in a forward direction and a backward direction; and a link that has a front end portion that is pivotably connected to the door, that has a rear end portion that is pivotably connected to the base part, and that is configured to move the base part based on the opening and closing of the door, wherein the refrigerator further comprises a pair of drawer guides disposed at side surfaces of the storage compartment and arranged to support and guide the drawer moving forward and backward, wherein the rear frame is disposed between the drawer and a rear surface of the storage compartment and the contact between the drawer (D1, D2, D3) and the rear frame is separable when the door is being closed. a base part that is located under the drawer, that is configured to move forward while the door is being opened, and that is configured to move backward while the door is being closed; a rear frame that upwardly extends from the base part to a rear side of the drawer and that is configured to push the drawer forward based on the base part moving forward while the door is being opened; a withdrawal unit guide that is disposed between both side surfaces (S(s)) of the storage compartment and both sides of the base part, respectively, or between the bottom surface (S(b)) of the storage compartment and a bottom portion of the base part, and that is configured to guide movement of the base part in a forward direction and a backward direction; and a link that has a front end portion that is pivotably connected to the door, that has a rear end portion that is pivotably connected to the base part, and that is configured to move the base part based on the opening and closing of the door, wherein the refrigerator further comprises a pair of drawer guides disposed at side surfaces of the storage compartment and arranged to support and guide the drawer moving forward and backward, wherein the rear frame is disposed between the drawer and a rear surface of the storage compartment and the contact between the drawer (D1, D2, D3) and the rear frame is separable when the door is being closed.