The utility model provides an old person's intelligence pendant, including chaining and control box, be equipped with MCU control module in the control box, last time module, display module, signal transmission module, GPS orientation module, the power module of being connected with of MCU control module, be connected with the side chain on the chaining, the side chain is embedded to have the rhythm of the heart sensor, side chain one end and chaining integrated into one piece, and the other end is equipped with the fixed block, the chaining inboard is equipped with location structure, and the fixed block block is in location structure, be equipped with signal transmission line in the chaining, the rhythm of the heart sensor passes through signal transmission line and MCU control module intercommunication, user's position can be implemented to fix a position by this intelligent pendant, the customer end is downloaded at the cell -phone and its position can be learnt, can find the old man that wanders away fast, possess time warning function and real -time heart rate test function simultaneously, with the pendant form, high durability and convenient use, the enlarged lens of setting up in addition, enlarge the display part, it uses to be applicable to the old man, can turn over an use and amplify the lens, the daily use of old man of being convenient for.