PURPOSE : A real estate transaction payment management system and a method thereof are provided to offer the convenience and stability of payment between a tenant and a leaseholder when the real estate is transacted in online.CONSTITUTION : A real estate transaction payment management system comprises the following steps of : registering and managing tenant information and leaseholder information (210); collecting and storing real estate information from each of the tenant and leaseholder (220); registering and the broker information for a broker who mediates the transaction of real estate (230); mediating the transaction of real estate through any one of brokers (240); and executing process for the lease charging of the transacted real estate (250).[Reference numerals] (210) Registering and managing one and more tenant information about one and more tenants and one and more leaseholder information about one and more leaseholders; (220) Collecting and storing one and more real estate information from each of the tenant and leaseholder; (230) Registering and managing one and more broker information about one and more brokers who mediate one and more transactions of real estate; (240) Mediating one and more transactions of real estate through one among one and more brokers; (250) Executing process for the lease charging of the transacted real estate; (AA) Start; (BB) EndCOPYRIGHT KIPO 2013