The profit of curry chicken sandwich is 20% to 30%. According to relevant public information, the catering industry has high cost and limited profit margin, and 20% to 30% is reasonable. Market demand, consumers' purchasing power, competitors' prices, and their own cost and profit requirements need to be considered. Determining the selling price after comprehensive consideration will affect consumers' willingness to buy, and low selling price will affect profits, making it difficult to maintain the sustainable development of business.