Commercial mortgage means that when purchasing ordinary commodity housing, you can mortgage the purchased housing, or use other property owned by yourself or a third party as collateral (pledge), or the third party provides joint guarantee responsibility for the loan, and apply for personal housing loan from the bank.

Housing provident fund loans refer to loans issued by Beijing Housing Provident Fund Management Center and its subordinate management departments to depositors and retired employees of deposit units to use housing provident fund to purchase, build, renovate and overhaul their own houses, and borrowers or third parties provide guarantees that meet the requirements of Beijing Housing Provident Fund Management Center.