Abstract: The present invention relates to a touch screen having an integrated EPP and an input information processing method for an automated teller machine using the same, and more particularly, to a touch screen provided as user interface in an automated teller machine, wherein the touch screen and an EPP module are formed integrally such that a screen displayed on the touch screen is configured to be controlled by a security CPU of the EPP module integrated with the touch screen when a customer using the automated teller machine inputs information required to be encrypted, such as a password required for a financial transaction, through the touch screen of the automated teller machine during the financial transaction, thereby initially preventing the leakage of important financial information through the illegal hacking of the CPU of the automated teller machine and the like.