1. The fingers are naturally bent and together with the palm form a semicircle, which is like an empty ball.

2. The metacarpal joint (usually called the third joint) and all finger joints should be raised, and the most common collapse of the first and third finger joints (metacarpal joints) should be avoided and corrected. Concave shape.

3. The fingers should be separated naturally. In principle, one finger should be aligned with one key.

4. The entire hand (from the entire forearm to the hand) should be placed on the piano in a horizontal position, and the fingers should be aligned parallel to the keys, and the big finger should be placed on the keys.

5. The basic position of the finger touching the key should be about half of the distance between the white key and the black key. When touching the black key, the whole hand should move forward to the black key position, and the black key should bounce at the front of the key.