The number in the six-line symbol indicates the characteristics of the guitar, and the number written on the line indicates which product is pressed by the left hand. The line where the number is located is the string that the right hand should play. Draw an "X" on one or more of the six lines. At this time, there are often fingering charts or marks above the hexagram of left-handed chords.

Then you press the chord with your left hand, and "X" means playing the chord with your right finger; Draw symbols such as "↑" and "↓" above two lines to indicate the direction of string sweeping. At this time, there is often a hint of left-handed fingering above the staff.