The present invention relates to a joint pool service system for real estate and a method thereof and, more particularly, to a joint pool service system for real estate and the method thereof, paying a housing security issued through a trust company which divides the real estate trusted to the trust company by a user into a residence stake and a non-residence stake for issuing the housing security, providing a joint pool service to support the purchase of goods and services of a seller using the corresponding security as a normal currency, activating investment for making a profit by reducing a burden for a fund which the user invests to the real estate through the corresponding housing security while securing residence stability by acknowledging a residence right to the real estate of the user through the residence stake, and supporting to reduce interest on a loan used when buying the real estate, thereby increasing the liquidity of the fund invested to the real estate.(20) Trustee(30) Property assessment agency(40) Joint pool service(50) Service operation company(60) Financial institution(70) Seller(80) Fund manager(90) Investment target company(AA) Income(BB) Investment · repayment(CC) Housing securities (account)(DD) Periodic equity(E1, E1) Housing securities(FF) Trust(GG) Cash account(HH) Marketing platformCOPYRIGHT KIPO 2018