The present invention discloses an electric iron comprising: at least one base unit a main body provided with a water inlet, a water outlet and a water tank connected between said inlet and said outlet; said base unit and said main body may connected or disconnected by a connecting unit; said base unit provided with a water passage which can connected with said water outlet when in assembly with said main body, a steam outlet, a chamber connected between said water passage and said steam outlet and a heating plate used for heating said chamber. Since the base unit can disconnected to the main body, user can choice different heating plates based on different clothing ironing conditions.