A mobile terminal, comprising: a communication unit configured to wirelessly communication with at least one other terminal; a display unit configured to display information; an input unit configured to input information into the mobile terminal; and a control unit configured to: recognize message types of received and/or transmitted messages, wherein the message types includes at least one of a replied message, a forwarded message and a new message, receive, via the input unit, a first input of selecting a message type among the recognized message types to sort the received and/or transmitted messages, control the display unit to display a first list of the received and/or transmitted messages which is sorted by the selected message type by the first input, and receive, via the input unit, a second input of selecting a message among the transmitted messages of the displayed first list of messages, and control the display unit to display a second list of the selected transmitted message and at least one related message to the selected transmitted message in a time order series, wherein the related message to the selected transmitted message includes a replied message to the selected transmitted message, and wherein a received message is recognized as the replied message to the selected transmitted message based on using keywords included in contents of the received message and a predetermined reply time period between when the received message was received and when the selected transmitted message was transmitted. a communication unit configured to wirelessly communication with at least one other terminal; a display unit configured to display information; an input unit configured to input information into the mobile terminal; and a control unit configured to: recognize message types of received and/or transmitted messages, wherein the message types includes at least one of a replied message, a forwarded message and a new message, receive, via the input unit, a first input of selecting a message type among the recognized message types to sort the received and/or transmitted messages, control the display unit to display a first list of the received and/or transmitted messages which is sorted by the selected message type by the first input, and receive, via the input unit, a second input of selecting a message among the transmitted messages of the displayed first list of messages, and control the display unit to display a second list of the selected transmitted message and at least one related message to the selected transmitted message in a time order series, recognize message types of received and/or transmitted messages, wherein the message types includes at least one of a replied message, a forwarded message and a new message, receive, via the input unit, a first input of selecting a message type among the recognized message types to sort the received and/or transmitted messages, control the display unit to display a first list of the received and/or transmitted messages which is sorted by the selected message type by the first input, and receive, via the input unit, a second input of selecting a message among the transmitted messages of the displayed first list of messages, and control the display unit to display a second list of the selected transmitted message and at least one related message to the selected transmitted message in a time order series, wherein the related message to the selected transmitted message includes a replied message to the selected transmitted message, and wherein a received message is recognized as the replied message to the selected transmitted message based on using keywords included in contents of the received message and a predetermined reply time period between when the received message was received and when the selected transmitted message was transmitted.