A beam failure detection method, performed by a terminal, the method comprises: receiving configuration information used for beam failure detection from a network device; performing, according to the configuration information received from the network device, a preset operation on a timer and/or a counter for beam failure detection corresponding to a target beam; wherein, the target beam is one of beams supported by the terminal, or a beam corresponding to a Bandwidth Part, BWP, supported by the terminal; characterized in that, in a case that the configuration information is configuration information reconfigured by the network device, the configuration information includes at least one of: indicator information for deleting the configuration information; indicator information for adding the configuration information; update information of a target parameter value in the configuration information; indicator information for beam modification; deleted or added beam identifier information; wherein the update information of the target parameter value in the configuration information indicates a target parameter that needs to be changed in original configuration information and the value of the target parameter after the change; wherein performing, according to the configuration information received from the network device, the preset operation on the timer and/or the counter for beam failure detection corresponding to the target beam comprises: in said case of configuration information reconfigured by the network device, resetting, according to the configuration information received from the network device, the counter for beam failure detection corresponding to the target beam. receiving configuration information used for beam failure detection from a network device; performing, according to the configuration information received from the network device, a preset operation on a timer and/or a counter for beam failure detection corresponding to a target beam; wherein, the target beam is one of beams supported by the terminal, or a beam corresponding to a Bandwidth Part, BWP, supported by the terminal; characterized in that, in a case that the configuration information is configuration information reconfigured by the network device, the configuration information includes at least one of: indicator information for deleting the configuration information; indicator information for adding the configuration information; update information of a target parameter value in the configuration information; indicator information for beam modification; deleted or added beam identifier information; wherein the update information of the target parameter value in the configuration information indicates a target parameter that needs to be changed in original configuration information and the value of the target parameter after the change; wherein performing, according to the configuration information received from the network device, the preset operation on the timer and/or the counter for beam failure detection corresponding to the target beam comprises: in said case of configuration information reconfigured by the network device, resetting, according to the configuration information received from the network device, the counter for beam failure detection corresponding to the target beam. indicator information for deleting the configuration information; indicator information for adding the configuration information; update information of a target parameter value in the configuration information; indicator information for beam modification; deleted or added beam identifier information; wherein the update information of the target parameter value in the configuration information indicates a target parameter that needs to be changed in original configuration information and the value of the target parameter after the change; wherein performing, according to the configuration information received from the network device, the preset operation on the timer and/or the counter for beam failure detection corresponding to the target beam comprises: in said case of configuration information reconfigured by the network device, resetting, according to the configuration information received from the network device, the counter for beam failure detection corresponding to the target beam. in said case of configuration information reconfigured by the network device, resetting, according to the configuration information received from the network device, the counter for beam failure detection corresponding to the target beam.