Provided by the embodiments of the present application are a wireless communication method and device, which may reasonably determine whether a specific channel or signal needs to be detected. The method includes: detecting a first signal or channel sent by a network device; and determining whether to detect a second signal or channel according to a detection result of the first signal or channel and a configuration made by the network device regarding a relationship between the detection result of the first signal or channel and whether to detect the second signal or channel.