<p>Provided are a refrigerator assembly system that can efficiently produce multiple types of products of differing capacities, and a refrigerator. The system is provided with a basic wall (315), connecting walls (311-314) to be connected to the basic wall (315), and securing parts (51) for connecting the connecting wall (314) to the basic wall (315). Connecting walls (311-314) selected from multiple types of connecting walls (311-314) of differing sizes are connected to the basic wall (315) using the securing parts (51) to assemble insulated boxes (12) of differing capacities.</p>
