The main operating structure is composed of "cars, smartphones, APP software, and cloud systems", allowing ordinary cars to be upgraded to smart cars and Internet of Vehicles products that can interact between people and cars. It can be combined with the original car remote control or Smart entry chip sensor remote control to automatically unlock/lock the car door for you through Bluetooth connection detection with the car owner's mobile phone. Car owners don’t need to carry an extra set of original remote controls with them. Your smartphone is the “car key”