Abstract: A voice recording method is applied in a recording device that includes a voice receiving unit and a storage unit. The voice receiving unit receives voice signals. The storage unit stores voice models and personal information associated with each voice model. The recording method includes: recording voice signals received by the voice receiving unit and storing the recorded voice signals to the storage unit. Extracting speaker voice features from the recorded speaker's voice. Comparing the extracted features with the voice models to find a match. Obtaining the speaker personal information associated with the voice model when a match is found. Obtaining the storage path of the voice signals stored in the storage unit, then generating an index document according to the obtained voice model and the obtained storage path of the voice signals.