A:

　　Gong is a kind of percussion instrument belonging to many kinds. Gong is a circular arc surface, which is mostly made of copper, and its periphery is fixed by its own frame. The gong pestle is a wooden pestle. There are many sizes of gongs. When playing, small gongs lift the gongs with their left hands and strike them with mallets with their right hands. Large gongs must be hung on the gong frame to play.

　　Musical instrument features: it belongs to metal body singing instrument, and has no fixed pitch. Its sound is deep, loud and strong, and its aftertaste is long and lasting. Usually, gong sound is used to express a tense atmosphere and ominous omen, which has a very unique artistic effect.

　　The cymbal is a percussion instrument of the Han nationality, that is, a cymbal. Or a trowel, a hinge, etc. The common types of Han people are brass cymbals and iron cymbals. Because cymbals are instruments with no fixed pitch, generally speaking, small cymbals has the highest sound, followed by the medium cymbals, and the large cymbals have the lowest sound. Cymbals are a Han musical instrument derived from cymbals.

　　The difference between the two is mainly in appearance that the size of the round bowl-like part is different, the small one is gong and the big one is cymbal.