sell at the original price. The original price refers to the fact that the goods are sold at a different price than before, and they are sold at a discount during the activity. The store price is marked with a higher price as the original price, and at the same time, a lower price is marked as the current price, which makes customers mistakenly think that it is much cheaper and has a desire to buy. Catering industry is a food production and operation industry that provides consumers with all kinds of drinks, food, consumption places and facilities through instant processing, commercial sales and service labor.