This disclosure provides a configuration activation/deactivation method, a network device, and a terminal. The method includes: transmitting, to a terminal, activation/deactivation information for indicating activation/deactivation of multiple transmission configurations; wherein, the multiple transmission configurations are associated with configuration information of the activation/deactivation information, or a first field of the activation/deactivation information is used for indicating activation/deactivation of first configuration information that is same among the multiple transmission configurations.