An application relocation method includes: a source edge enabler server (EES) sends a first message to a target EES, where the first message is used to request to relocate an application of a terminal apparatus, and the first message includes an identifier of the terminal apparatus and an identifier of the application; and the source EES receives a second message from the target EES, where the second message is a response message of the first message, and the second message is used to indicate whether a relocation of the application of the terminal apparatus is allowed.