Washing machine is provided to replace a lid part of the control panel according to the taste of user as it can be easily detachable. Washing machine comprises: a case(110) supporting a tub; a rotating drum(122) installed in the inside the case; a motor operating the drum; a casing body(111); a case cover(112) uniting with the front side of the casing body; a control panel(115) arranged in the upper of the case cover; and a top plate(116) arranged in the upper of the casing body and control panel.