An electric pump having a circuit board comprises a motor housing having a rotor and a stator disposed therein, the rotor arranged on a rotation shaft and the stator disposed outside the rotor with a predetermined space therefrom; a first partition wall disposed on a first side of the motor housing and a second partition wall disposed on a second side of the motor housing, the first and second partition walls being fastened to the motor housing; an impeller disposed outside the first partition wall and fastened to an end portion of the rotation shaft; a ceramic board disposed outside the second partition wall and having a first side with a circuit formed thereon, the circuit being electrically connected to the rotor or the stator, the first side further comprising at least one electric device, and a second side facing the second partition wall with recesses arranged in the second side at predetermined distances; and an adhesive member interposed between the ceramic board and the second partition wall.