Emergency dialing technology and trajectory tracking method

The invention provides an emergency dialing technology and a trajectory tracking method, and the method comprises the following steps: S1, providing a terminal which can interact with a built-in RFID or IC card of a non-contact card of a user, and completes the collection of user identification and authentication data; S2, providing a server, wherein the server stores pre-collected user emergency contact information and a user identification library; S3, when an emergency call demand exists, enabling the user to initiate a call request through the terminal and acquires authentication data, enabling the server to complete authentication and sends emergency contact person information to the terminal, and then enabling the terminal to complete the call; S4, when the user carries the non-contact card to pass through the terminal, enabling the terminal to automatically identify the non-contact card and report information to the server; and S5, providing a mobile phone APP, wherein the APP can interact with the ter