The present invention relates to a method and a system for fund stream analysis based on the dangerous factor information analysis of sale type real estate, wherein the system comprises : a creditor code registration unit for, when a company requests real estate finance for selling the real estate, linking a sale type real estate finance creditor code, generated for managing the real estate sold by the company and the real estate finance, with the company; 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, if receiving fund stream information corresponding to a real estate sale business, from the company, analyzing the fund stream and estimating dangerous elements by linking with the storage medium.[Reference numerals] (100) Selling type real estate finance server; (100a) Interface providing part; (100b) Interface part; (100c) Information reception part; (100d) Validity confirming part; (100e) Code generating part; (100f) Selling type real estate finance creditor code registration part; (100g) Information confirming part; (100h) Information storage part; (110) Selling type real estate attributes; (120) Selling type real estate information creditor code; (130) Financial system; (AA) Information registration target information; (BB) Registration target information; (CC) Government document information; (DD) Information registration target information; (EE) Registration target information; (FF) Attached document information; (GG) Financial network; (HH) Operation terminalCOPYRIGHT KIPO 2014