Domestic emergency water supply device

The utility model relates to a domestic emergency water supply device. Urban households cannot utilize tap water normally when the water supply is cut off, so that the domestic emergency water supply device is provided for solving the problem. The domestic emergency water supply device comprises a filter and a water tap, wherein a first one-way valve is arranged between the filter and the water tap, the domestic emergency water supply device further comprises an electric control cabinet and a water storage tank connected to a tap water pipeline in parallel, the water storage tank is provided with a storage water inlet pipe and a liquid level controller, and an electromagnetic valve is arranged on the storage water inlet pipe; an exhaust valve and an intake valve are arranged on the upper end of the water storage tank, the upper end of the intake valve is connected to an efficient air filter; a water outlet pipe connected to the water tap is arranged on the lower end of the water storage tank, a booster pump i