The embodiment of the invention provides a voice command recognition method and device. The method includes the steps of obtaining a general background model, obtaining a voiceprint model of a user on the basis of a registered voice of the user, receiving the voice, extracting voiceprint features of the voice, determining whether the voice is from the user on the basis of the voiceprint features of the voice, the general background model and the voiceprint model of the user, and recognizing a command word in the voice when it is determined that the voice is from the user. By means of the method and device, whether voices are from registered users can be determined on the basis of the voiceprint models of the registered user, and accordingly safety is improved.