Embodiments of the present invention disclose a conference control method, and a relevant apparatus and system. A conference control method includes: receiving a first area floor request, where the first area floor request carries a first site identifier and a first area identifier, a site corresponding to the first site identifier includes multiple areas and belongs to a first conference, and the first area identifier is an area identifier of a floor requesting area at the site corresponding to the first site identifier; and if determining to give floor to the floor requesting area corresponding to the first area identifier, broadcasting a speaking video corresponding to the floor requesting area to a site terminal of at least one of sites except the site corresponding to the first site identifier in the first conference.