Intelligent key chain

The utility model relates to the technical field of key chains, and discloses an intelligent key chain which comprises a key chain body, a universal shaft is fixedly installed at the bottom of the key chain body, a fixing rod is fixedly installed at the bottom of the universal shaft, connecting plates are fixed to the two sides of the bottom of the fixing rod, a connecting rod is arranged between the connecting plates in a threaded mode, and a key is arranged on the connecting rod. According to the key chain, a signal is sent out through the mobile phone terminal, the wireless receiving module sends the signal to the micro control module after receiving the signal, and the micro control module sends the signal to the key chain main body. And then the positioning module is started to send a positioning signal to a mobile phone terminal through the wireless transmitting module, so that the specific position can be known through the mobile phone terminal, and meanwhile, the audible and visual alarm is started, s