"outlets" generally refer to the sites set up by a company all over the country. For example, major express delivery companies now have outlets in various provinces and cities across the country.

1. The business outlet is the business hall. Business hall refers to the external office space for conducting business (commerce, service industry, transportation industry, etc.). It refers to a single commercial business place that is engaged in commodity circulation and serves production, operation and life as defined according to the needs of network construction planning and management, or a comprehensive commercial business place that is developed, operated or managed in the same area. Including retail stores, commodity trading markets, second-hand goods markets, automobile trading markets, logistics bases, restaurants and other life service facilities. Its organizational form is directly related to the population density. The density of commercial outlets is the number of commercial outlets per unit area. There are many factors that affect the density of commercial outlets, both natural and economic, but the economic factor plays a decisive role. The most important factor affecting the distribution of commercial outlets is economic factors, and the role of other factors must play an indirect role through economic factors.

2. Commercial service outlets refer to small commercial premises such as shops, post offices, savings offices and barbershops, which are located on the first floor or the first and second floors of residential buildings, and the construction area of each partition unit is not more than 311_. Commercial service outlets include department stores, grocery stores, grain stores, post offices, savings offices, barbershops, laundries, pharmacies, car wash shops, restaurants and other small business premises. The total construction area of the above-mentioned small commercial service buildings on the first floor and the second floor cannot exceed 311_. The incombustible floor slab with a fire resistance of not less than 1.5h (the fire resistance of the super high-rise building is not less than 2.11h) and the fireproof partition wall with a fire resistance of not less than 2.11h without opening doors and windows are completely separated from the residence and other buildings. Other rooms limited here can also be used for the above-mentioned small-scale commercial service rooms, and the evacuation stairs and safety exits of this room and residence should be set independently, and they should not cross or be directly connected. When the area of any floor is more than 211_, two safety exits and stairwells should be set up.