A liquid dispenser includes a case and a dispenser, and dispenser includes a dispenser side cover, a first lifting cover, a second lifting cover, and a dispenser nozzle. The first lifting cover includes a guide rail and the second lifting cover includes a coupling bracket provided with a magnet. As the coupling bracket is slidably moved along the guide rail by the attractive force being applied between the magnet and the guide rail, the second lifting cover is lifted and lowered from the first lifting cover.