To provide a communication terminal that can easily inform a nursing person about abnormity caused in a nursed person at a low cost.

The mobile phone 100 includes; a communication section 120 for making communication with other phone; a voice input section 146 for converting received voice into voice data; a storage section 130 for storing in advance sample voice data representing voice of a nursed person and storing voice data received by the voice input section 146; and a control section 110 connected to the storage section 130, analyzing the received voice data, and controlling the communication section 120 to transmit the voice data received by the voice input section 146 to other phone when the received voice data are coincident with the sampled voice data.