Guqin is generally played in the middle of the body facing the fifth or fourth half of the treble area on the right side of the body. When pressing the strings with the left hand, the line of sight and the stringing point are often at a certain angle. Visual impairment occurs.

One way is to ask relatives and friends to correct while sitting across from the body of the piano;

Another method is to hold the string with your left hand and do not move, move your head over to carefully check whether the string pressing point is directly aligned with the corresponding emblem position, then move your hand to the correct emblem position and do not move, return your head to the original position and look at your left hand obliquely, remember With the correct position, with such repeated practice, the "vision difference" can be corrected very quickly.