Provided in embodiments of the present application are a method and a device for managing a link. The method includes: receiving, by a first network device, a first link quality parameter sent by a second network device, wherein the first link quality parameter is used to indicate a link quality between a terminal device and the second network device, and the first network device provides a current service for the terminal device; and determining, by the first network device, whether a connection between the terminal device and the second network device is needed according to the first link quality parameter.