Switzerland was represented by Mariella Farré & Pino Gasparini with the song "Piano, Piano" (Slowly, slowly) at the 1985 Eurovision Song Contest, which took place in Gothenburg, Sweden on 4 May. Farré and Gasparini won the right to represent Switzerland, from winning the National Final which took place on 23 February 1985.

Swiss-French broadcaster TSR was in charge of broadcasting the selection for the Swiss entry for the 1985 Contest. The national final was held at the studios of TSR in Genève, hosted by Serge Moisson. Nine songs were submitted for the 1985 national final and the winning song was submitted by 3 regional juries (DRS, TSR, TSI), a press jury, and a jury of experts.

On the night Farré and Gasparini performed 16th on the night, following the United Kingdom and preceding Sweden. At the close of voting Switzerland had picked up 39 points (highest mark awarded was six points from Turkey and Denmark) placing Switzerland in 12th place out of 19 entries. The Swiss jury awarded its 12 points to Turkey

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