The present invention relates to a remote live broadcast method and system. The method comprises the following steps: acquiring a live broadcast request of a master broadcast device, waking up a slave broadcast device in a power-off state according to the live broadcast request and establishing a communication connection with the slave broadcast device; sending configuration information to the slave broadcast device for live broadcast configuration, and receiving configuration completion information fed back by the slave broadcast device; and after receiving the configuration completion information fed back by the slave broadcast device, acquiring streaming media information about the master broadcast device and sending the streaming media information to the slave broadcast device for live broadcast, wherein the slave broadcast device performs live broadcast via the configured configuration information according to the streaming media information. In the remote live broadcast method and system, after acquiring a live broadcast request of a master broadcast device, a slave broadcast device in a power-off state is woken up, and a communication connection is established. The slave broadcast device can be quickly started and conditions required for live broadcast can be configured when the master broadcast device needs to perform live broadcast, so that live broadcast is relatively convenient and fast.