To provide a fully automatic washing machine capable of improving the operability on a selection of a washing course and the operability of selecting the operation of an effective substance elution device even if increasing the number of the washing courses.

An operation panel 616 is provided with a course key 704 for selecting one of a standard course, a night course, a blanket course, an indoor drying course, a tough-dirt course, a tub washing course, a double speed course and a dry course, and an ion key 705 for operating a silver ion elution unit. The ion key 705 is so formed as to select an Ag ion elution (sterilization/deodorization) connected to a course selected by the course key 704 or an Ag ion elution (Ag rinsing/tub sterilization) irrelevant to the course.

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