The present disclosure provides a smart cleaner, which includes: a remote controller provided with a camera, in which the camera is configured to photograph an image of a target area in a scene; and a body configured to scan the scene, to establish a map of the scene according to a predetermined reference substance, to identify a location of the image in the map after receiving the image sent by the remote controller, and to move to the target area according to the location of the image in the map for performing an operation.