An all-in-one cleaner is disclosed. An all-in-one cleaner, according to an embodiment of the present invention, comprises: a cleaner body; a soaking unit which is provided on one side of the cleaner body and carries out a soaking step on a subject to be cleaned; a washing unit which is provided near the soaking unit and carries out a washing step on the subject to be cleaned, for which the soaking step has been completed; and a rinsing unit which is provided near the washing unit and carries out a rinsing step on the subject to be cleaned, for which the washing step has been completed.