Disclosed are faucet control device and method. A faucet control device capable of automatic temperature control comprises: a first pressure sensor and a second pressure sensor installed in a hot water pipe and a cold water pipe to measure the pressures of hot water and cold water, respectively; a first temperature sensor and a second temperature sensor installed in the hot water pipe and the cold water pipe to measure the temperatures of the hot water and the cold water, respectively; a heating member disposed between the hot water pipe and a faucet; a rotation sensor for measuring at least one of a horizontal rotation angle and a vertical rotation angle when an operation of a faucet knob terminates; a first electronic valve and a second electronic valve installed on discharge ports of the hot water and the cold water, respectively; and a controller for determining a stop position of the faucet knob by using at least one of the horizontal rotation angle and the vertical rotation angle and controlling whether to operate the heating member and the opening degrees of the first electronic valve and the second electronic valve according to the determined stop position of the faucet knob by using the pressures of the hot water and the cold water and the temperatures of the hot water and the cold water.