To obtain an information terminal in which a user is alarmed efficiently.

An alarm time designated by a schedule is reached in a communication apparatus specified to be communicable under a state where a user registered the schedule in a PDA, an alarm report request signal is delivered to a communication apparatus having a highest priority among partner communication apparatus stored in an alarm report order memory 24c. At the same time, a schedule display request signal is delivered to a communication apparatus having a highest priority among communication apparatus stored in a schedule display order memory 24d. When the user confirms the schedule content displayed on an objective communication apparatus and performs an operation for confirming the schedule content, a schedule display confirmation notice signal is delivered to the PDA.