(1) Catering products are composed of material entities and non-material forms of services that satisfy a certain need and a certain benefit of customers.

(2) The material entity of a catering product is called a tangible product. Catering products in the tangible product is the customer from the product appearance is easy to see. For example, the appearance of the restaurant, catering consumption and service equipment, the image of the restaurant, dishes and drinks, appearance, appearance, color, style, size, decoration, packaging and so on.

(3) The non-material entity of catering products is called intangible products. Catering products in the intangible products are customers from the appearance of the product can not be seen, but can be felt in the inner quality of the product. For example, the reputation of the restaurant, the restaurant's grade, the location of the restaurant, the restaurant's characteristics, the restaurant's atmosphere, the restaurant's service, etc. are important intangible products.

(4) The tangible and intangible products in the catering products have the same importance and cannot be replaced by each other.

(5) Catering tangible and intangible products constitute a complete catering products.

(6) The center of the catering product is the function and efficacy of the product. That is, the edibility of catering products.

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