The present subject matter discloses a removable panel assembly for an expandable folding table. The removable panel assembly includes a movable panel and a frame that is retractable. The expandable frame also includes a fixed frame connected with a pivot device and a movable frame. The movable panel is foldable and can be horizontally arranged between two panels of the folding tables when it is in use. Furthermore, the movable panel can be stored under the fixed frame when it is collapsed. With the removable panel assembly, the table can be both foldable and extendable without structural interference. In addition, while being easy to operate, the removable panel assembly further enhances the functions and appearance of the table.