To provide a mobile terminal that has enhanced convenience and improves the frequency of operations, an information terminal and a viewing system.

A unit 5 of a mobile terminal 10 contains a mobile phone circuit 1 and a remote control circuit 3. A transmission/reception section 13 is provided to a tip of the unit 5 in the remote control circuit 3 and makes an infrared ray communication with e.g., a television or video set and a radio cassette recorder or the like. An abnormal symptom judgement section 27 judges that an elderly person or the like can not move because he/she is not well or is in a dangerous state due to an ill or the like.