Risk area vehicle early warning method, vehicle-mounted communication terminal and cloud control platform system

The invention discloses a risk area vehicle early warning method, a vehicle-mounted communication terminal and a cloud control platform system, and the method comprises the steps: collecting vehicle positioning data in real time in the driving process of an intelligent network connection vehicle, packaging the vehicle positioning data into a message in a specified format, and transmitting the message to a cloud control platform; receiving early warning information sent by the cloud control platform, wherein the early warning information is sent when the cloud control platform judges that the distance between the intelligent network connection vehicle and the risk area is smaller than a preset threshold value; analyzing the received early warning information, obtaining the type of the early warning information, the information of the risk area and the planned alternative detouring route information, and displaying the information on a display terminal of the intelligent networked vehicle to indicate the intell