The present disclosure discloses a smart device grouping system, method and apparatus, which belong to the field of smart home. The method includes: sending a transmission power value to one or more smart devices; acquiring signal strength information fed back by the smart devices. The signal strength information include signal strengths of the received signals and identifications of the smart devices sending the received signals. The received signals are broadcast by other smart devices based on the transmission power value. The method further includes grouping the selected smart devices according to the signal strength information fed back by said each smart device.