Rachmaninoff, one of the greatest Romantic composer of the turn of 19-20 centuries, characterized by his lyrical melody, rich changing chords, and others unique personal style, is considered an important late Romantic composer. After the October Revolution of 1917, Rachmaninoff left Russia to begin a new life in the United States, was a significant turning point in Rachmaninoff's career of music composition. After that, he lived in the United States as a pianist, and devoted himself to transcriptions. Kreisler, creator of ¡§Liebesfreud,¡¨ was a violinist. Besides performance, he also created some of the sketches as the concert repertoire. He composed ¡§Liebesfreud¡¨ in the style of the Austrian Landler. Rachmaninoff and Kreisler met and became friendly in the United States, and later Rachmaninoff transcribed the piece to memorize their friendship. He not only reedited of original pieces and arrangements for piano with great skill in piano but also remarked the transcriptions his personal style to enrich it with artiness and skills. The study aims to explore Rachmaninoff¡¦s piano transcription ¡§Liebesfreud¡¨ to understand its adaptation practices. We finally discuss the innovation and meaning of the transcriptions by Rachmaninoff.