Unit type: the construction area of public rental housing corresponds to the applicant's security area, with one person and two households with one room and three or more households with two rooms.

New public rental housing, the construction area is strictly controlled within 60 square meters. The government invests in or subsidizes newly-built public rental housing, with a single building area of 40 square meters. Complete sets of public rental housing raised through purchase, renovation, leasing, etc. can meet the basic housing needs with reference to the above control standards.