Yes.

Health code is the most important is based on the cell phone number of cell phone positioning, based on the ID number under the consumer records, bus and plane records, and fill in the trip information or scanning the scene location registration, etc., combined with the epidemic after the results of big data analysis show.

A variety of health codes are basically docked "communication big data trip card", which is not subject to geographical restrictions, does not collect ID card number, home address. As long as the docking input cell phone number, can be based on communication network data to obtain the past 14 days of travel information. The principle is based on cell phone signaling data can effectively locate the user's cell phone location, so as to find the owner himself.