Supporting mainly refers to the residential ancillary facilities that meet the needs of residential functions. It is mainly composed of two parts: external supporting (municipal supporting) and internal supporting (developer's self-built supporting).

External facilities include: (1) transportation facilities: bus station, subway station, railway station, long-distance bus station, etc.

(2) Educational facilities: kindergarten school district, primary school district, middle school, university, etc.

(3) Government support: administrative centers, scientific research institutions, etc. ;

(4) Commercial facilities: large supermarkets, convenience stores, pedestrian streets, cinemas, etc.

(5) Resource facilities: parks, sports centers, etc.

Internal facilities include: (1) commercial facilities: self-built shops, supermarkets and shops along the street in the community;

(2) Educational facilities: kindergartens, primary schools, etc.

(3) Clubs: Clubs are divided into sports clubs and leisure service clubs. Now it is generally a pan-club, covering swimming pool, gym, badminton court, billiards room, book bar and so on.