The invention relates to a cleaning machine. The cleaning machine comprises a container with an inner cavity, a water outlet pipe is arranged below the container and is communicated to the inner cavity of the container, the container comprises a bottom face and a peripheral face located at the periphery of the bottom face, a water inlet is arranged on the bottom face or the peripheral face of the container, the inner cavity is provided with a space which is used for holding a bowl basket for placing tableware to be washed, the tableware and the container are two separate pieces, a plurality of spaced sprayers are arranged on at least one part of the inner surface of the container towards the inside of the container, the sprayers are communicated with the water inlet, the top of the container is provided with an upward opening, a cover which can be opened or closed relative to the container is arranged on the opening. The cleaning machine provided by the invention is not only simple and compact in structure, but also has small volume and good cleaning effect. The cleaning machine can be completed by slightly remodeling the existing water tank at homes, moreover, the cleaning machine provided by the invention can also be used as an ordinary water tank when the self-cleaning working procedure is not started, thus gaining more functions in the small kitchen in ordinary homes.