In some areas, six types of public rental housing families are given corresponding rent relief: first, low-income families, and some over-sized housing rents are reduced by 50%; Second, if there are disabled people in the family, the rent of the house will be reduced100%; If the only child is disabled, the house rent will be reduced by100%; In disabled soldiers, the rent is reduced100%; Third, if the family members are all over 60 years old, the house rent will be reduced by 50%; Lonely old people, rent reduction 100%. Fourth, if there are minor orphans in family members, the rent will be reduced 100%. Fifth, the only child died in the family, and the house rent was reduced by100%; Sixth, if there are martyrs or survivors of soldiers who died in public rental housing, the house rent will be reduced by 100%. Moreover, the house rent is the rent actually paid (market rent MINUS rent subsidy); If the family of public rental housing has the above situation, they can apply for accumulated rent reduction and exemption until the actual rent paid is reduced to zero.