PURPOSE : A rental type real estate finance evaluation system is provided to analyze the cash flow of the stress situation about the rental type real estate finance.CONSTITUTION : If a company applies real estate lease, a tenant code registration mean(130) generates rental type real estate finance code, register the code with link of the company' s customer record. If a company supplies a real estate information corresponding to the rental type real estate finance object, it is stored to a storing mean(140) with the tenant code and real estate information. If the company transmits a cash flow predicting information, a cash flow analyzing mean analysis the cash flow of the general situation about the rental type real estate finance.? KIPO 2009