The invention discloses a multifunctional
mobile phone splitting device, which comprises but is not limited to a control module, a storage module, a communication module, a health monitoring module, an
encryption module, a power supply module, a display module, a vehicle key module and the like, and is equipped with a corresponding
mobile phone end application program. The split device can realize
remote control, temporary replacement of partial functions, health monitoring and car key functions of a
mobile phone, has the advantages of simplicity and convenience in operation, safety, reliability, convenience in carrying and the like, can meet diversified requirements of a user in the aspects of information safety, health management, convenience in travel and the like, and remarkably improves the
life quality and the working efficiency of the user. In addition, the mobile phone has a reverse
control function on the split device on the premise of safety certification, and the split device is effectively prevented from being used by others after being lost.