The production of Salo was marked by controversy and challenges. The film was shot in a remote location, and the cast and crew were subjected to harsh conditions. The film's explicit content and themes sparked heated debates, and it was eventually banned in several countries.

Pasolini's vision for Salo was to create a film that would serve as a warning about the dangers of fascism and the erosion of human values. He was known for his bold and uncompromising style, and Salo is no exception. The film features long, unflinching scenes of graphic violence, cruelty, and degradation.

Salo or The 120 Days of Sodom has become a cult classic, celebrated for its bold and unapologetic style. The film has influenced numerous artists, filmmakers, and writers, including Stanley Kubrick, Martin Scorsese, and Quentin Tarantino.