PURPOSE : A system and a method for evaluating rental type real estate finance are provided to analyze cash flow about all kinds of predicted stress situation.CONSTITUTION : If a company applies a rental type real estate finance, a tenant code of rental type real estate finance is generated, and registered with the company' s customer ledger. If the company provides a real estate information corresponding to the rental type real estate finance object, the information is stored to a storage with the tenant code of the company. A cash flow prediction information corresponding to the real estate object, the general situation about the rental type real estate finance is analyzed by connecting the storage. The cash flow analyzing mean analyzes the cash flow of the stress situation about the rental type real estate finance.? KIPO 2009