1. No matter how delicious the food in the canteen of Shijiazhuang Taihang Vocational College is, the canteen is usually crowded during the meal time, so the contractor of the school canteen can earn rich profits by relying on the stable and huge passenger flow.

2. The cost of food stalls in the canteen of Shijiazhuang Taihang Vocational College is very high, but the profit is also very high. According to the business model of canteen food stalls, it is very good to sell thousands of dishes a day.