The risks of commercial housing loan cooperative institutions mainly include: ① the developer does not have the qualification of real estate development subject or lacks practical experience, the "five certificates" of the development project are false or incomplete, the market positioning of the project is inaccurate or improper, and the developer maliciously takes loan funds; (2) Appraisal agencies, real estate brokers, law firms and other intermediaries fail to perform their duties or joint borrowers defraud banks to defraud loans, etc.