<p>PURPOSE: A detergent container is provided to prevent flow of detergent container main body and stably supply detergent. CONSTITUTION: A detergent container has a detergent-accommodating space(112). A pumping unit(140) pumps the detergent to outside. A cover presses the pumping unit to discharge the detergent. A cylinder is coupled to the detergent container main body. A plunger moves with regard to the cylinder. A cap(143) is coupled to the inlet(113) of the detergent container main body. A cap-accommodating part(117) is sank to insert a cap into surroundings of an inlet.</p>