The invention provides an information determination method and device, a corresponding relation determination method and device, equipment and a medium. The information determination method comprisesthe following steps: determining second information according to first information, wherein the first information comprises at least one of the following information: a time domain parameter of a search space, a CORESET group, a CORESET set, the number of CORESETs, the number of frequency domain bandwidths, a frequency domain bandwidth group, a PUCCH resource group, a first type beam failure recovery parameter, signaling information and a predetermined rule; and the second information comprises at least one of the following parameters: a second type of beam failure recovery parameter, a wireless link reference signal, a frequency domain bandwidth corresponding to MAC-CE signaling, a PUCCH resource corresponding to the MAC-CE signaling, and a quasi co-location parameter of a downlink channel or a signal.