An oral cleaning device according to the disclosure includes a body unit including a pump configured to discharge washing liquid, a tube connected to the body unit to allow the discharged washing liquid to flow through the tube, a washing unit connected to the tube to discharge the washing liquid, a first operation part provided at the washing unit, a controller configured to control the pump in accordance with operation of the first operation part, and a communication unit configured to establish a communication connection between the first operation part and the controller.
