The present disclosure provides a voice recognition method, when receiving a voice signal, an image acquisition device is controlled to acquire images, and when the voice signal being over, the image acquisition device is controlled to stop acquiring the image; the received voice signal is recognized to obtain a voice signal recognition result; accuracies of the voice signal recognition result and the lip-reading recognition result is calculated, the recognition result with a higher accuracy is taken as a current voice recognition result. The present disclosure also provides a voice recognition system. The present disclosure improves the accuracy of the voice recognition.