How to apply to the government for isolating hotels?

Don't worry about this. If isolation is needed, contact the community directly when you arrive in your city. The community will arrange for you to be quarantined at home or at a designated hotel. You don't need to apply for it yourself.

If you choose to concentrate on isolation in the isolation hotel, you should start to make preparations before landing, fill in the relevant forms in advance on the plane, and carry your passport with you to facilitate registration.

After entering the country, scan the code to fill in the real details, generate the QR code, and keep the screenshots. This QR code is very important, and you will always use it in the later process.