Supermarket refers to a large-scale comprehensive retail mall that mainly sells food, household necessities, and food in a customer-selected manner. It appeared in the 1930s. Starting from the food store, all types of food are marked on the shelves by category, allowing customers to choose by themselves, and then go out and pay once. Supermarkets, also known as self-service shopping malls, are the main form of commercial retail organization in many countries, especially in economically developed countries.

Supermarkets are generally divided into hypermarkets, supermarkets, standard supermarkets, and convenience stores.

Hypermarket (one-stop shopping): Generally, a single product can reach more than 20,000 items. For example, most stores such as Wal-Mart, RT-Mart, and Carrefour can be called hypermarkets. The general area is about 10,000 square meters or more; ?

Comprehensive super: a single product can reach about 12,000-15,000 pieces. The general area is about 5000-8000 square meters;

Exceeding standard: the number of single products is about 5000-8000 pieces, and the general area is about 3000-5000 square meters;

Convenience store (community store): If the number of items per item is around 2,000-3,000, general convenience stores will delete the fresh product area. Even if there are fresh products, there will not be many. For example, meat and aquatic products will be reduced. The general area is about 500. -1000 square meters.

The so-called chain refers to a type of wholly-owned or majority-owned holding of a certain retail enterprise, and franchising means that the enterprise puts out its brand name and allows outsiders to join the team. , to do business using their own brand, companies generally charge a certain franchise fee and provide certain technical guidance when appropriate.

To sum up, the industry category of supermarkets is: commercial retail industry.