The tableware used in our university canteen has that shelf, and then the food in each window is different, and then the tableware used is different. For example, the stainless steel plate is usually used for rice, then the ceramic bowl and plastic bowl are used for noodles, and then there is the wooden pallet iron plate rice with the job number and other soups, but if there is a cup, it is the one in the morning. In addition, there is the kind of soybean milk or rice paste weighed in plastic paper cups, and the kind where someone takes the rice away at noon and takes it away directly in plastic bags. Well, the food in each window is different according to the requirements of students, and most of them are used according to regulations, which is the tableware stipulated by the school.