Method for managing payment and payment managing system

A method for managing a payment between a lessor and a lessee using a network. The method includes the steps of: inputting the name and identification data of the lessee into a lessee's terminal connected to the network; verifying the lessee based on the input name and identification data using a lessor's terminal; sending preregistered bank account information of the lessee to a bank server of the lessee using the lessee's terminal; sending preregistered bank account information of the lessor and a payment amount to the bank server of the lessee via the network using the lessor's terminal; and transferring the payment amount to the lessor's bank account, which is indicated by the preregistered bank account information of the lessor, from the lessee's bank account, which is indicated by the preregistered bank account information of the lessee, using the bank server of the lessee.