PROBLEM TO BE SOLVED: To provide a communication terminal capable of letting a user recognize character input into another terminal.SOLUTION: A communication terminal includes: a character coordinate group acquisition unit that acquires a character coordinate group where character input is detected if the handwriting character input is detected in a prescribed writing region; an own terminal character display unit that displays a handwritten character on a display screen on the basis of the character coordinate group; a data transmitting/receiving unit that transmits the character coordinate group acquired by its own terminal and corresponding character input ending time to another terminal, and receives a character coordinate group acquired by the other terminal and corresponding character input ending time from the other terminal; an alert presentation unit that presents an alert on the display screen on the basis of the character coordinate group received from the other terminal, and clears the alert on th