There is no epidemic in the city. How can the county judge that it has not been there?

Text the operator. The three basic telecom operators, China Telecom, China Mobile and China Unicom, provide users with epidemic prevention and control itinerary inquiry service based on big data analysis under the authorization of users according to the needs of epidemic prevention and control. If there is no epidemic in the urban area, how can the county judge that it has not been there? Just send a short message to the operator. Xia Han, director of the Information and Communication Administration Bureau of the Ministry of Industry and Information Technology, said that with the arrival of the peak of business return, you can use this service to help prove whether you have left the city or returned from other places. This service is provided to operators free of charge.