The invention discloses a usage method of an intelligent alarming household door device. The intelligent alarming household door device comprises a movable door, a hinge, a door frame, an anti-clamping device and an alarm device, wherein the anti-clamping device comprises a housing, a pendulum, a lock plug device, an anti-clamping plug, a buffer seat and a reset device; the lock plug device comprises a lock plug, a tension spring and a lock plug seat; and the alarm device is provided with a swing speed sensor and a human body sensor. When the intelligent alarming household door device is in use, the rapid swing of the movable door is used, the pendulum strikes the lock plug under inertia, the lock plug is separated from a lock plug hole, an anti-clamping column rapidly ascends, and an anti-clamping head is blocked by the buffer seat, so that the movable door can be prevented from being rapidly closed; and besides, the swing speed sensor on the movable door transmits a signal to the alarm device on the door frame, when a child approaches the door frame, the human body sensor on the door frame transmits corresponding signals to the alarm device, the alarm device receiving the two kinds of signals controls a loudspeaker to give an alarm, and a Bluetooth device sends a message to mobile phones of the parents of the child, so that the parents can treat the situation in time, and the child can be prevented from being clamped.