Method for sending emissive power control command and base station

The invention provides a method for sending an emissive power control command, which comprises: a user terminal sends a physical uplink shared channel or a physical uplink control channel on N component carrier waves, or when N physical uplink control channels are sent on one component carrier wave, a base station configures M emissive power control indexes for the user terminal, and the M emissive power control indexes are used for indicating the position of the emissive power control command of the physical uplink shared channel or the physical uplink control channel of the user terminal in downlink control information associatively encoded by the emissive power control commands of a plurality of user terminals, wherein M is not more than N but not less than 1. The invention further provides a base station. The invention realizes the sending of the emissive power control command in a carrier wave polymerization system.