A link recovery method, a terminal device, and a network device are provided. In an embodiment, a method includes: receiving, by a terminal device from a network device, a first signaling and a second signaling, wherein the first signaling indicates one or more reference signals for detecting channel quality information, the second signaling indicates quasi co-location (QCL) information of a physical downlink control channel (PDCCH) and QCL information of the one or more reference signals.