The present invention relates to a method and a system for cash flow analysis based on risk factor information analysis of lease type real estate, wherein the system comprises : a creditor code registration unit for linking a lease type real estate finance creditor code, generated for managing the real estate leased by the company and the real estate finance, with the company when a company requests real estate finance for leasing the real estate; a storage unit for receiving real estate information corresponding to the real estate finance, linking the received information with the creditor code and storing them at a storage medium; and an analysis unit for analyzing the cash flow and estimating risk factors by linking with the storage medium if cash flow information corresponding to a real estate lease business is received from the company.[Reference numerals] (100) Lease type real estate finance server; (100a) Interface providing unit; (100b) Interface unit; (100c) Information reception unit; (100d) Validity confirming unit; (100e) Code generating unit; (100f) Lease type real estate finance creditor code registration unit; (100g) Information confirming unit; (100h) Information storage unit; (110) Lease type real estate attributes; (120) Lease type real estate information creditor code; (130) Financial system; (AA) Information registration target information; (BB) Registration target information; (CC) Attached document information; (DD) Information registration target information; (EE) Registration target information; (FF) Attached document information; (HH) Financial network; (II) Employee terminalCOPYRIGHT KIPO 2014