The erhu really makes a beautiful and beautiful sound, and its protagonist is the erhu's strings, which are divided into inner strings and outer strings, of which the outer strings are the main strings of the erhu.

How to pull the outer string of the erhu:

1. Pulling the bow with the outer string: lie on the piano barrel naturally with the bow shaft outward and downward, and then relax and sink the arm naturally, and the strength should reach the fingers. The force of the four fingers that control the bow rod is combined to send the force out, then open the arm, arch the wrist slightly, use the middle finger, ring finger, thumb and index finger to control the bow rod, keep a certain distance between the palm and the bow hair, and then Make horizontal movements outward and to the right. Pay attention not to lift the elbow too high, the bow hair should be close to the erhu barrel, the direction of the bow should be kept straight, the speed should be stable, and the force should be even, until the arm is fully straightened. Bow hair.

2. External string push bow: Following the above draw bow, we have to push our bow back. At this time, the arm begins to retract, the wrist is still naturally slightly bent, and the four fingers of the bow are still controlling the bow rod. It is the same as the bow, but in the opposite direction. Lift too high, the bow hair is close to the erhu barrel, the direction of the bow is kept straight, the speed is stable, and the force is even until the arm is fully retracted, thus completing a complete external string pullback.