How to deal with the self-service check-in machine at Barcelona airport?

1. Go to the arrival hall of Barcelona airport and look for the sign marked "self-service check-in".

2. Enter the "Automatic Check-in System" and enter the flight number and ID number. , the system will generate a boarding pass.

3. After confirming that the boarding pass information is correct, you can choose the seat number and wait for the boarding pass to print.

4. After printing the boarding pass, you can go directly to the security checkpoint for security check.