This disclosure pertains to the field of wireless communications technologies, and a method and an apparatus for indicating spatial relation information, and a communications device are provided. The method for indicating spatial relation information is applied to a network-side device and includes: sending a media access control, control element MAC CE command to user equipment, where the MAC CE command indicates spatial relation information of at least one PUCCH group, each PUCCH group includes at least one PUCCH, and each PUCCH group corresponds to one piece of spatial relation information.