There are many playing techniques, and the right fingering methods are mainly smashing, holding, wiping, picking, hooking, kicking, hitting, picking and their different combinations, such as: wheel, lock, stacking trickle, pinch, roll, whisk, calendar, double play, Rounding, etc. The left hand is mainly divided into two types: percussion and glissando. According to the sound, there are kneeling, bringing up, squatting, pushing out, clawing up, pinching up, and synchronizing. Portamento has yin, yawn, bump, call, advance, retreat, separate and so on.