To display a information of an opposite party stored in a telephone directory and that informed by a CLI message, without making a user confused.

As the display mode of a caller information, there are provided a first display mode, where the CLI message is preferentially displayed, a second display mode where a user information stored in a telephone directory 400 is displayed preferentially, and a third display mode where both the caller information of the CLI message and the user information of the telephone directory 400 are displayed. A user sets one of these display modes at a mobile communication terminal in advance, while waiting. When an incoming signal arrives under is condition, which display mode among the three modes has been set is determined. Based on the determined result, one or both of the originator name inserted in the CLI message and a user name read out of the telephone directory are displayed on an LCD display.