The present invention relates to an Internet banking asset information providing method and a recording medium. It includes a financial server providing financial and asset information to a customer and storing it, a step of receiving collective asset information of the customer when the customer transmits asset information to the financial server through a network terminal, a step of confirming the validity of information received through a validity confirming server including servers of a financial company and a real estate agent, a step of processing real estate and financial asset information, a step of calculating adjustment state information of the real estate and financial asset information when the real estate and financial asset information is changed, a step of storing the adjustment state information by receiving it with the collective asset information, a step of confirming the validity of the collective asset information stored in the storage medium through the validity confirming server when an inquiry request for the collective asset information is received from the user network terminal, a step of calculating a loanable amount according to the volume of assets except for assets not authenticated on the validity among real estate and financial assets included in the collective asset information, and a step of transmitting the collective asset information, adjustment state information, and the loanable amount to the user network terminal.[Reference numerals] (10) Register office server; (20) Real estate agent information providing server; (30) Financial server; (300) Information registering server; (305) Interface part; (310) Interface providing part; (315) Information receiving part; (320) Validity confirming part; (325) Information storage part; (330) Information change confirming part; (335) Information calculating part; (340) Storage medium; (345) Information registering terminal; (40) Stock company server; (AA) Customer information; (BB) Collective asset information; (CC) Adjustment state information; (DD) Real estate agent information; (EE) Financial information; (FF) Financial network; (GG) Network unit; (HH) Write and submit an application; (II) SubmitCOPYRIGHT KIPO 2014