1, dishes: dishes are the core products of food service, which can satisfy customers' tastes and needs. Different dishes can meet the tastes and needs of different customers, provide diversified dishes can attract more customers, and a wide variety of dishes is easy to realize the product.

2, liquor: liquor is a complementary product in food service, can increase the added value of food service. In the catering service, liquor can be used as a drink with dishes, can also be sold as a separate drink, liquor under normal order by the manufacturer is easy to realize the product.