The invention provides an automatic household door. The automatic household door comprises an entrance guard card and a door leaf mechanism. The door leaf mechanism comprises a door lock, a door lock driving motor, a radio-frequency positioning module and a voice control module; the entrance guard card is provided with two radio-frequency antennae (k1 and k2), which are spaced from each other by a certain distance, a radio-frequency signal transceiver circuit, a radio-frequency signal-direct-current voltage switching circuit, a microcontroller and a power supply. The radio-frequency positioning module comprises two radio-frequency antennae (m1 and m2), which are spaced from each other by a certain distance, and a radio-frequency signal transceiver circuit; the voice control module comprises a microphone, a sound recognizing unit, a switching unit, a analog-to-digital conversion unit and a voice control unit.