1, prepare mileage first: having enough mileage is the first step in booking business class. You can increase your mileage by applying for a credit card and buying airline miles. Login to member account: log in to the member account of Chengdu Airlines and enter the reservation page.

2. Secondly, choose to redeem business class: in the reservation page, enter information such as departure city, arrival city and date, then select business class and confirm the redemption: select the business class flight and time to be redeemed and the number of passengers on the website, and finally confirm the redemption.

3. Final tax payment: business class exchange requires tax payment, and the specific amount and method can be viewed on the reservation page. After the payment is completed, you will receive a confirmation email.