According to a real estate investing method which uses a business loan based on fundraising of the present invention, a system which is provided at a server of an operator which operates real estate investment of a plurality of investors comprises : a loan applying confirming part which confirms loan applying with respect to a non-performing loans purchasing fund of a designated real estate enterprise which uses own possessed fund and purchases real estate mortgage non-performing loans of a designated financial institution in advance; a loan project creating part which creates a loan project which is to be posted at a web to automatically approve for loan applying of the real estate enterprise and collect a non-performing loans purchasing fund of the real estate enterprise; an investment fund collecting part which posts the created loan project at a web and performs a process for collecting a fund which corresponds to a non-performing loans purchasing fund of the real estate enterprise from a plurality investors who access a web; a loan processing part which performs a process for making the loan amount which corresponds to a non-performing loans purchasing fund be loaned to the real estate enterprise through a possessed fund from a designated loan company; a collected fund giving part which gives a collected fund which is collected from a plurality of investors through a loan project which is posted at the web to the loan company; a principal and interest receiving right purchasing part which purchases principal and interest receiving right with respect to a real estate enterprise which loans the loan amount which corresponds to the real estate mortgage non-performing loans purchasing fund from a loan company which is given the collected fund; and a principal and interest receiving part which receives investment money and profits which correspond to a collected fund which is collected from the investors as a principal and interest of the loan amount which is loaned from the real estate enterprise on the basis of principal and interest receiving right with respect to the real estate enterprise.(100) Server(105) Loan application confirmation unit(110) Loan project generation unit(115) Investment fund collection unit(120) Loan processing unit(125) Collected fund issuing unit(130) Principle and interest collection right buying unit(135) Principle and interest reception unit(140) Profit distribution stock(145) Storage medium(150) Loan application terminal(155) Investment application terminal(160) Loan processing server(AA) Operating company(BB) Real estate enterprise(CC) Investor(DD) Loan company(EE) Loan application information(FF) Loan project information(GG) Loan information(HH) Loan company information(II) Principle and interest collection right information(JJ) Principle and interest collection information(KK) Profit information(LL) Profit distribution informationCOPYRIGHT KIPO 2019