1. Because it is a canteen, the taste and variety should be taken into account. For example, there should be both spicy and non-spicy. Of course, if your canteen is not big, you can choose to cook some Chinese food. ) vegetables should be matched. 2. Use your head when controlling costs, such as bean sprouts and cabbage. It's also a vegetarian dish. But the price difference is much. You can choose dishes with lower prices. But pay attention to the production, you must be careful to make the taste good. Choose potatoes, cabbage and bean sprouts. Make vegetarian dishes into semi-vegetarian dishes. Actually, just put less meat.