The invention discloses an ATM terminal with the function of recognizing the situation that people leave without taking a bank card and a control method thereof.The ATM terminal is additionally provided with a gravity switch which is connected with a central processing unit in the ATM terminal, arranged on the ground right in front of a terminal body and used for detecting a user.The control method includes the steps that when the bank card is in a card reader of an ATM or output to a card inlet and a user leaves, a high-loudness voice prompt indicating that 'the user is leaving, please take your bank card' is output, and the output high-loudness prompting voice reminds the user to take the bank card and then leave; when the bank card is in the card reader of the ATM and the user leaves, when card returning function button options are displayed on a screen interface, card returning operation is executed immediately, and therefore the problem that the user does not conduct the card returning operation and leaves after using the bank card and accordingly money on an account is directly stolen is prevented; when the bank card is output to the card inlet and the user does not leave or take the card, card retaining processing is not conducted, and the problem that the user does not leave but the bank card in the card inlet is retained is prevented.