Infectious disease tracing method and device based on space-time trajectory, medium and equipment

The invention provides a space-time trajectory-based infectious disease tracing method and device, a computer readable storage medium and equipment, and relates to the technical field of computers, and the method comprises the steps: obtaining trajectory information of a plurality of patient users, the trajectory information comprising address information and time information; performing structured processing on the address information and the time information to obtain target address information and target time information; according to the target address information and the target time information of each patient user, determining target users with a propagation relationship; and tracing the infectious disease according to the transmission relationship between the target users. Therefore, the problem of low accuracy of the determined association track can be solved by updating the address information into the accurate target address information, so that the accuracy of the determined association track is im