The invention relates to the field of automobile parts and particularly relates to a rotatable automobile front window cleaning brush. When an automobile window is stained with solid blots or difficultly-wiped liquid blots, a brush device (4) is laminated with automobile front glass, a micro motor (9) works to drive rotating gear discs (403) to rotate, and all the rotating gear discs (403) are meshed together, so that the rotation of all hairbrushes (404) is realized; by virtue of the rotation of a rotating connecting rod (7), a windscreen wiper skeleton (2) is driven to rotate so as to changethe positions of a rubber strip (5) and a cleaning device (4), and the other side of the glass can be brushed by virtue of a brushing device, so that the complete cleaning of big front automobile glass is realized; when cleaning liquid needs to be sprayed, a cleaning liquid pipe (602) is opened, and the cleaning liquid flows into a liquid accumulation chamber (603) and is sprayed out through a spray head (605) by virtue of a liquid-spraying control valve (604); and in a similar way, when water needs to be sprayed, a water guide pipe (601) is opened, and the brushing and the cleaning are finished by virtue of the cooperation of the hairbrushes (404) and the rubber strip (5).