1. Classical guitar: This is the most artistic, most representative, most widely applicable, most profound, and most recognized category among the guitar family in the art world; classical guitar has long become a International formal instruments, no longer limited to playing Spanish folk music. Students who learn guitar should learn classical guitar. The most expensive guitar in the guitar family is often the classical guitar. Only the classical guitar has a status that can keep pace with the piano and violin. In a sense, the classical guitar can replace any other type of guitar, and its playing technology is also the most standardized and profound. Classical guitar can be played solo, in ensemble, in concert with a symphony orchestra, etc. 2. Folk guitar, which is a common playing and singing guitar for ordinary people, features of folk guitar: ① Steel strings ② Larger in size and thinner neck ③ The joint between the strings and the piano case is the fourteenth fret. ④ There may be a half-moon protective plate on the surface. ⑤The paint is often more fancy and lacks solemnity. 3. Flamenco guitar: This is a type of guitar with typical Spanish national characteristics. The style is relatively rough. In appearance, there is no difference between the flamenco guitar and the classical guitar, but the materials used in its production are larger than those of the classical guitar. Not the same. The technical level of the strings and the tightness requirements of the panel are also completely different. It can be said that real flamenco guitars are not available in our country. The very few people in our country who play flamenco guitars mostly use classical guitars instead.