1. Enter China Eastern Airlines official website: Open China Eastern Airlines official website in the browser.
2. Registered account: If you haven't registered an account in China Eastern Airlines official website, you need to register first. Click the "Register" or "Login/Register" button on the website page, fill in the user's personal information as prompted, and create an account.
3. Login account: Log in to China Eastern Airlines official website with the account you just registered.