Do I need to be quarantined at the airport or train station without a border defense card?

The border defense certificate has nothing to do with quarantine. The border defense certificate is your certificate to go to the border area. Quarantine has nothing to do with it.

According to our experience of traveling to Kashgar in July this year, if you don’t have a border defense certificate, you can travel from the mainland to Urumqi, Xinjiang, along the Duku Highway in southern Xinjiang, Hotan area, and downtown Kashgar. Do you have a border defense certificate and the epidemic situation? Prevention and control and isolation are irrelevant. If you do not have a border defense certificate, you cannot go from Kashgar to Taxkorgan Tajik Autonomous County and the places under its jurisdiction. However, you can apply for a border defense certificate at the Kashgar border defense management department with your ID card. The specific contact number can be found on "Baidu".

I flew from Aksu to Kashgar without a border defense certificate. I called the Kashgar epidemic prevention department the day before I went to confirm that I only need the itinerary code and the health code, but I have to complete the nucleic acid before landing in Kashgar. If you go to Taxian County to play, you need to apply for a border defense certificate in advance. If you travel with a group, the travel agency will help you.

Without a border defense permit, no quarantine is required.