Disclosed are a password entry method and system. In the present invention, an intelligent display terminal receives a password entry instruction of a user, and randomly generates image data of a soft keyboard; the intelligent display terminal decomposes the image data of the soft keyboard into image data of a first soft keyboard and image data of a second soft keyboard by using a subtractive color process; the intelligent display terminal displays an image of the first soft keyboard according to the image data of the first soft keyboard, and sends the image data of the second soft keyboard to a portable display terminal; and the portable display terminal combines the image data of the first soft keyboard and the image data of the second soft keyboard by using an additive color process to restore an image of the soft keyboard, and displays the image of the soft keyboard. The present invention improves password entry security.
