A washing machine according to an exemplary embodiment of the invention includes a body having a washing tub; a detergent bottle seating part provided over the body and having a detergent inlet through which a liquid detergent is entered, a detachable detergent bottle containing the liquid detergent being seated on the detergent bottle seating part; and a detergent storing part provided under the detergent bottle seating part, the liquid detergent contained in the detergent bottle being entered and stored in the detergent storing part by its weight.