Intelligent key system based on automobile control system and working method thereof

The invention provides an intelligent key system based on an automobile control system and a working method thereof and relates to an automobile key. According to the intelligent key system and the working method thereof, the structure is novel, the use procedure is clear, a user can obtain an automobile conveniently and timely. The intelligent key system comprises an intelligent key and a host connected with an automobile body controller in the automobile control system, the intelligent key comprises a first control unit, a first power source circuit, a first high frequency circuit, a first low frequency circuit, a first confidentiality circuit, a sound circuit, a display circuit and a vibration circuit; the host comprises a second control unit, a second storage circuit, a second power source circuit, a second high frequency circuit, a second low frequency circuit, a second confidentiality circuit, a wireless charging circuit and an automobile body network interface circuit. According to the intelligent key system based on the automobile control system and the working method thereof, the structure is novel, the use process is simple and convenient, the use procedure is clear, and a good use effect and great convenience are achieved through combination and application of a mobile phone, the intelligent key, the host and the automobile body controller.