Shanghai Taxation Bureau has a preferential policy of "buying houses within welfare", that is to say, tax bureau officials can buy real estate and settle down at a price far below the market price.

The payment base of housing provident fund is the average monthly salary of employees in the previous year. This payment base shall not be less than 60% of the local social wage in the previous year and shall not be higher than 300%. The payment ratio is 5%- 12%, and the employer can decide within this range, and the most common one is 8%. Companies and individuals make equal contributions according to the ratio of 1: 1, that is, the company will pay as much as the individual pays. The salary of national tax civil servants consists of housing provident fund. Housing accumulation fund refers to the long-term housing savings paid by state organs, state-owned enterprises, urban collective enterprises, foreign-invested enterprises, urban private enterprises and other urban enterprises, institutions, private non-enterprise units, social organizations and their employees.