A drying chamber assembly and a refrigerator are provided. The drying chamber assembly consists of a drawer-type sealing container which includes a drawer body, a drawer door and a drawer upper cover. The drawer body has an upward top opening. The drawer door is disposed at a front end of the drawer body and configured to push and pull the drawer body. The drawer upper cover is disposed above the drawer body to seal the top opening when the drawer body is completely pushed into the storage compartment and defines a drying space together with the drawer body and the drawer door. An airflow inlet is formed in the drawer body and configured to supply an airflow to the drying space. The drying chamber assembly directly covers and seals the top opening of the drawer body through the drawer upper cover.