If you are not satisfied with the service provided by the employees of the Burger King store, you can call the customer service phone number of Burger King to describe the complaint in detail and provide the relevant order number or store information. Secondly, you can also send the complaint content to the customer service mailbox of Burger King by email. When making a complaint, it is suggested to provide specific information such as time, place and employee name, so that Burger King can handle the complaint better.