A Physical Downlink Control Channel, PDCCH, monitoring method, comprising: sending (S102), by a terminal device, a scheduling request to a network device; acquiring (S104), by the terminal device, a monitoring indication message sent by the network device, wherein the monitoring indication message is used to indicate to skip PDCCH monitoring on a first serving cell set corresponding to the network device; and determining (S106), by the terminal device according to acquired configuration information, not to skip the PDCCH monitoring on a target serving cell in the first serving cell set indicated by the monitoring indication message, in a case where the terminal device does not receive a response to the scheduling request from the network device, wherein the configuration information further comprises first configuration information, the first configuration information is configured to configure an uplink resource for transmitting the scheduling request in a case where a target uplink logical channel corresponding to the terminal device triggers the scheduling request or beam failure recovery, and when the configuration information comprises only the first configuration information and the terminal device does not receive the response to the scheduling request from the network device, the determining, by the terminal device according to the configuration information, not to skip the PDCCH monitoring on the target serving cell in the first serving cell set indicated by the monitoring indication message comprises: determining, by the terminal device according to the first configuration information, not to skip the PDCCH monitoring on all serving cells in the first serving cell set indicated by the monitoring indication message. sending (S102), by a terminal device, a scheduling request to a network device; acquiring (S104), by the terminal device, a monitoring indication message sent by the network device, wherein the monitoring indication message is used to indicate to skip PDCCH monitoring on a first serving cell set corresponding to the network device; and determining (S106), by the terminal device according to acquired configuration information, not to skip the PDCCH monitoring on a target serving cell in the first serving cell set indicated by the monitoring indication message, in a case where the terminal device does not receive a response to the scheduling request from the network device, wherein the configuration information further comprises first configuration information, the first configuration information is configured to configure an uplink resource for transmitting the scheduling request in a case where a target uplink logical channel corresponding to the terminal device triggers the scheduling request or beam failure recovery, and when the configuration information comprises only the first configuration information and the terminal device does not receive the response to the scheduling request from the network device, the determining, by the terminal device according to the configuration information, not to skip the PDCCH monitoring on the target serving cell in the first serving cell set indicated by the monitoring indication message comprises: determining, by the terminal device according to the first configuration information, not to skip the PDCCH monitoring on all serving cells in the first serving cell set indicated by the monitoring indication message. <EOS>