Refrigerator

A refrigerator comprising:

• a cabinet that defines a storage space;
• an upper door configured to open and close a first portion of the storage space;
• a lower door that is located vertically below the upper door, the lower door being a drawer type door configured to open and close a second portion of the storage space and configured to insert into and withdraw from the second portion of the storage space;
• a draw-out rail that connects the lower door to the storage space and that is configured to guide insertion and withdrawal of the lower door in a front-rear direction;
• an elevation assembly that is located in the lower door, that is configured to elevate an object stored in the lower door in a state in which the lower door is withdrawn, and that is configured to elevate the object relative to the lower door;
• and
• a door restriction device configured to selectively restrict an opening movement of the upper door based on whether the lower door is opened or closed,
• wherein the door restriction device is configured to restrict the opening movement of the upper door based on the lower door being opened, and to allow the opening movement of the upper door based on the lower door being closed.