The size of the kitchen area on the restaurant business management affects the efficiency and quality of work. According to the query related public information, the kitchen area is too small, will make the kitchen crowded, not only affect the speed of work, but also affect the staff's working mood. And the area is too large, the utilization rate of the restaurant will be reduced, the staff work walking distance will increase, the work efficiency is naturally reduced. Kitchen area in the dining area should have a reasonable proportion, the general restaurant kitchen accounted for about 18 ~ 25% of the total area.