A method and device for voice recognition are provided. The method for voice recognition includes: receiving voice information collected by a plurality of voice collection devices configured on a plurality of devices connected together, wherein the plurality of devices comprises at least one mobile device; and conducting a voice separation and recognition process on the voice information collected by the plurality of voice collection devices. The device for voice recognition includes: a processor, configured to: obtain a clock difference among a plurality of devices connected together, where each of the plurality of devices is configured with a voice collection device; obtain voice information collected by the voice collection device configured on the each of the plurality of voice collection devices; and conduct a voice separation and recognition process on voice information collected by the voice collection device based on the clock difference among the among a plurality of devices.