本文通过讲述相关的手的生理结构,以及手臂协调动作的主要原则来阐述钢琴演奏中手臂的协调性问题,并提出正确做到手臂协调性的基础是放松、同时手指要站立支撑,把手臂的自然重量和手指的承受能力以及手腕和手臂的左右调节很好地结合起来。 In this paper, the physiological structure of the hand and the main principles of arm coordination are introduced to explain the coordination of the arm in the piano performance. The article also proposes that the correct coordination of the arm should be relaxed and the fingers should stand up and support the arm Natural weight and the ability of the fingers and the right and left wrist and arm adjustment well together.