The ward call system consists of a call host installed in the nurse station of the ward, call extensions respectively installed at the bedside of the ward, the ward bathroom, and the corridor display screen. Once someone presses the call button on the bedside or bathroom of the ward, the host of the nurse station will sound Light alarm signal, at the same time, the corridor display screen displays the calling bed number simultaneously, and the nurses can immediately rush to the ward to handle the emergency.