A water discharge device includes a case, a microphone, a voice recognition module, a speaker, a first elevation cover connected to the case, a second elevation cover configured to move upward and insert into an inside of the first elevation cover, an elevation motor connected to the second elevation cover, a water discharge nozzle disposed at a lower end of the second elevation cover, a water discharge valve configured to regulate water flow toward the water discharge nozzle, a flow sensor configured to sense a flow rate of the water flow, a sensor disposed at the second elevation cover and configured to, based on the second elevation cover moving downward, sense whether the sensor contacts a container disposed below the second elevation cover, and a controller configured to control operation of the elevation motor and the water discharge valve.