<Barrier-free design specification>GB50763-2012 is very clear:
8.8.1 The scope of the barrier-free design of commercial service buildings, including various types of department stores, shopping centers, supermarkets, specialty stores, specialty stores, food and beverage buildings, hotels, and other commercial buildings, banks, securities, and other financial services buildings, post offices, telecommunications offices, and other postal and telecommunication buildings, entertainment buildings. Entertainment buildings and so on.
8.8.2 Accessibility design of commercial service buildings shall comply with the following provisions:
1 building should be at least 1 accessible entrance, and should be located in the main entrance;
2 public access to the indoor walkway should be accessible;
3 public use of men's and women's toilets for public use **** at least 1 per floor should meet the requirements of Article 3.9.1 of the specification. 3.9.1 of the relevant provisions of this specification or in the men's and women's public **** toilet near the establishment of an accessible toilet, large commercial buildings should be in the men's and women's public **** toilet to meet the relevant provisions of this specification 3.9.1 of the relevant provisions of this specification at the same time and in the vicinity of the establishment of an accessible toilet;
4 public use of the main staircase shall be barrier-free staircase.
4 The main stairway for public use shall be accessible.