A washing system for washing a teat cleaning apparatus includes an inlet passage (14) adapted to convey washing liquid to at least a teat cleaning member (1) of the teat cleaning apparatus, a return passage (15) adapted to recirculate the washing liquid from the teat cleaning apparatus to the inlet passage (14) such that a separate closed flow circuit is formed for the washing liquid, and a circulating part (16) adapted to circulate the washing liquid in the separate closed flow circuit during a washing process of the teat cleaning member (1) of the teat cleaning apparatus.
