Generally speaking, the clear width of single-row operation is not less than 1.5m, and that of double-row operation is not less than 2.1m. "Residential Design Code" requires the minimum kitchen area to be 5 square meters, less than 5 square meters. If the indoor heat accumulation is too large, people will feel uncomfortable. Judging from the current housing habits, the kitchen design of 6-8 square meters is more suitable, which can accommodate two or three people inside.