How to write personal itinerary?

Personal itinerary is written as: date-time-place, which should be filled in in detail, indicating the time of stay in a certain place. In fact, the network information infrastructure established by the state has been able to grasp the flow of most people, but it has not fully played its role in actual operation. Therefore, it is necessary to combine the technical means and characteristics of personal trajectory information collection and identification, and explore the laws and implementation strategies of rational use of personal trajectory information in the process of epidemic prevention and control with the goal of minimizing collection and maximizing utilization.