1. Inquire about personal credit records: log in to the personal credit information service platform of the People's Bank of China, register and log in through personal identity information, and then inquire about your own credit records. If there is relevant restriction information in the credit record, it may be displayed in it.
2. Go to the local public security bureau or exit-entry administration department for consultation: Go to the local public security bureau or exit-entry administration department to ask whether the staff are restricted from flying. They can inquire about relevant information through ID card or passport information.
3. Contact the airline: If you suspect that you are restricted from flying, you can directly contact the relevant airlines and ask them if there are any relevant restrictions. They will make inquiries according to their own identity information and give corresponding answers.