After purchasing a ticket from Beijing to Hong Kong, the method for adding passengers is as follows:

  1. Contact airline customer service: After purchasing a ticket, you can call the airline’s customer service number and provide relevant information about the passenger, such as name, ID number, etc., according to the guidance of the customer service staff, to add passenger information. .

  2. Through the airline’s official website or APP: Log in to the airline’s official website or use its mobile APP, enter the “My Orders” or “Passenger Information” page, and follow the page prompts to add passenger information.

  3. Through a travel agency: If you purchase tickets through a travel agency, you can contact the travel agency directly and inform them of the passenger information that needs to be added.

  4. At the airport counter: Before traveling, you can go directly to the airline counter at the airport, present your ticket purchase voucher and the valid ID of the passenger who needs to be added, and the counter staff will help add the passenger information.

Please note that the specific operations of different airlines and ticket purchase channels may be different. It is recommended to check the relevant instructions or consult customer service before operating.