In Jiangnan Sizhu music, one piece of tune is used as the matrix, and the plate variation technique is used to change it to derive multiple pieces of music (or to derive a large suite). This is a common way to develop the melody of this type of music. method. Among them, the most commonly used matrix is ??"Lao Liuban", and the music evolved from it includes "Lao Liuban", "Hua Liuban", "Slow Liuban", "Zhong Liuban" and "Quick Liuban", collectively known as "Five Generations Under One Roof". Among them, "Flower Liuban" is "Zhonghua Liuban", which shows that this piece of music is one of the suites of "Five Generations Under One Roof" and can be played alone. "Zhonghua Liuban" is in the form of one board and three eyes, with a moderate speed. On the basis of the backbone sounds, the melody has been modified with added flowers, giving it a lyrical and elegant style, rich in the light and smooth characteristics of Jiangnan silk and bamboo music. The characteristic of the fill-in is that the melody of the original "Lao Liuban" is expanded from one beat to four beats, but the backbone sounds are retained in the strong and sub-strong beats. On the basis of the pentatonic progression of the melody, some jumping intervals are added, and decorative sounds are used to make the melody relaxed, smooth and colorful.