PROBLEM TO BE SOLVED: To allow a message indicating the state of a user to be easily transmitted.SOLUTION: A mobile terminal 1 capable of transmitting and receiving messages comprises: a storage unit 14 for storing one or more fixed phrases in association with each of a plurality of states of a user of the mobile terminal 1; a determination unit 151 for determining which state the user is in among the plurality of states; a selection unit 152 for selecting a fixed phrase corresponding to the state determined by the determination unit 151 from a plurality of fixed phrases; an instruction acquisition unit 153 for acquiring an instruction from the user; and a communication unit 154 for transmitting a first message including the fixed phrase selected by the selection unit 152 to a communication terminal 2 once the instruction acquisition unit 153 acquires an instruction.SELECTED DRAWING: Figure 3