PURPOSE : A system for operating chartering a real estate and a method thereof are provided to enable a lessor to give real estate ownership to a lessee if the lessee provides lease deposit and optional disposal preventing deposit.CONSTITUTION : A lease management server(211) stores a real estate contact information to a database unit(240). The lease management server manages lease state through contact information. According to collateral obtain, the charter management system determines transfer of an ownership. According to contract termination, the charter management server enforces resale about real estate or conclusively set corresponding real estate to a lessee in contract time point value.COPYRIGHT KIPO 2011