The etude is originally a musical form used for the purpose of practicing.Chopin developed it into conceit etude, in which the magnificent performing skills and the esthetic taste were well combined.

• 钢琴“练习曲”本来是以技术训练为目的的体裁，从肖邦时代发展成了“音乐会练习曲”，即将辉煌的演奏技术与高品位的艺术性结合为一体，更具美学价值。