The present disclosure discloses an authentication-based message display method and a communication terminal thereof. The method includes: a communication terminal determines whether a received message contains a setting content; marking the message as an encrypted message if contains; determining whether an authentication data which is inputted by a user and matches the encrypted message is obtained, when a display request for the encrypted message is received; displaying the encrypted message if obtained, and not displaying the encrypted message if not obtained. Through the above-mentioned method, it is possible to realize the encryption protection of messages, and prevent the message from being viewed by users who does not meet the requirements.