The invention discloses a car washer, which enables the maintenance frequency to be reduced and the cleaning capability to be maintained. The car washer WA, characterized in that the upper part of a car washer body 1 across a cleaned car CA is configured with a top brush used for cleaning the upper surface of the cleaned car CA, comprises a rotary motor 60 used for rotating the above top brush 4; a first lead 63A and a second lead 63B connected at the two ends of the top brush 4 respectively to enable the top brush 4 to be hung; and a lifting motor 65 wound with the above first and second leads to lift the top brush 4, wherein the rotary motor 60 and the lifting motor 65 are configured at a side relative to the above top brush 4.