Gongchi notation (gōng chě pǔ) is one of the traditional folk notation in China. Named for writing roll calls with words such as labor and ruler. It is closely related to the fingering and Gongdiao system of many important national musical instruments, and is widely used in folk songs, folk arts, operas and instrumental music.

Gongchi notation may have evolved from the fingering symbols of wind instruments at first. Because of its spread in different periods, regions and kinds of music, the phonetic characters, fonts, palace sound positions and roll-call methods used are different. In modern times, the common Gong-Chi notation generally uses the words He, si, Yi, Shang, Chi, Gong, Fan, Six, Five and B as the basic symbols to express the pitch (also a roll call), which can be equivalent to sol, la, si, do, re, mi, fa (or Fa in ascending order), sol, la and SI. If the homonym is eight octaves higher, you can pick up the last stroke of the character, or add a radical, as in the high octave writing of the above word. On the other hand, if the homophone name is eight degrees lower, the last stroke of the spectrum word can be left downward, such as Fan and Gong. If it is two octaves higher, the last stroke will be double-picked or added, as above. If it is two octaves lower, the last stroke is double-headed, as above. Gongchi notation has a long history, and Yanle half-character notation was used in the Tang Dynasty. For example, the later Tang Dynasty Ming Zong Chang Xing four-year (933) edition "Tangren Daqupu" was discovered in the Thousand Buddha Cave in Dunhuang. In the Song Dynasty, it was the spectrum of popular characters, such as the spectrum recorded in Zhang Yan's Etymology, the side spectrum of Jiang Kui's Songs of Taoist Baishi, and the tube chromatography in Chen Yuanliang's Records of Shi Lin Guang. It has been developed to the Gongchi spectrum that prevailed in the Ming and Qing Dynasties.

From this notation to the Qing Dynasty and the Jiaqing period, there appeared a total score of orchestral ensemble written in Gongchi notation-Chord Preparation, that is, Thirteen Sets of Chords.

In the common modern Gongchi notation, the words "He, si, Yi, Shang, Chi, Gong, Fan, Liu, Wu, B" are generally used as the basic symbols to express the pitch (also roll-call) [which can be equal to sol, la, Si, do, re, mi, fa (or rising fa), sol, la. If it means a lower sound than "He", it will be dragged at the end of the word "Gong, Chi". Ruler notation uses "three" or "x,-"or "□, ○, ●, △," as the beat symbol, that is, the board eye symbol. The recording format of I-scale notation is usually written in vertical lines from right to left, and the symbol of the square eye is recorded on the right side of I-scale characters. The end of each sentence is indicated by a space. Such as:

going to school, going to school and

working. Worker,

ruler. Work

grade four.

four-work, ruler

combination. Work,

four. Close.

four feet

up, up,

together. Four.

on the fourth grade

for some acoustic music, the I-scale words are also written in oblique lines, which is called "clothes-style I-scale music". For example, there are seven types of key signature in Gongchi spectrum, namely "Shang Zi Diao, Chi Zi Diao, Xiao Gong Diao, Fan < P > Zi Diao, Six-character Diao, Five-character Diao and B Zi Diao" (see Gongchi Seven Tones). The tonality marks in Gongchi notation were quite different from the current ones decades ago. In order to correctly understand the height of tones represented by various tone names, The following is a list of the pitch relationships among the tune names that were popular decades ago, the tune names that are popular now and the internationally common tune names that were popular decades ago:

the tune names that were popular decades ago are small-scale, small-scale, small-scale (B-scale) D

the tune of B-scale, a

the tune of every word is up and down, e

the tune of six characters is down and b

the scale of six characters is down.