Can I check nucleic acid detection with my mobile phone at the exit of Xi 'an Railway Station?

If you take a train at Guangzhou Railway Station, many people don't know whether they need nucleic acid test certificate before boarding the train. So, does the government require a nucleic acid test certificate to get on the bus? Also, how to check the results of nucleic acid detection mobile phone? Nucleic acid test results can be found within 1 day. As for the inquiry process, it is actually very simple.

It is very simple to check the nucleic acid test results with mobile phones, and you can also check them in Alipay. Process: Open Alipay homepage and click "Citizen Center"; Enter the interface, click "nucleic acid detection query" to open the "nucleic acid and antibody detection query" interface, and then click "self-check"; After clicking, open the "nucleic acid and antibody detection query" interface to view the detection results.