A high degree of unity between reason and emotion. Emphasizing emotional contrast and conflict has different factors in a movement or even a theme. The melody is smooth and concise, with national style, balanced and symmetrical structure and clear syntax. Band standardization, forming four groups. Symphony, concerto and string quartet were established, among which sonatas were widely used.

Flexible rhythm, unexpected pause, beat change and artificial change of beat stress make music full of motivation and drama. The texture is dominated by the main theme, and the texture often changes, resulting in rich level changes. The intensity changes greatly, gradually increasing and decreasing, causing subtle emotional changes, and the sudden appearance of extremely strong and weak has become a common means.

The elements of classical music are: melody pursues beautiful and moving temperament, tends to be neat and symmetrical, and is more closely related to folk dance, folk sound and dance rhythm; The arrangement of tonality and harmony becomes an important factor in structural works, and paragraphs or movements have a more definite termination and a concise harmony style.

Music styles in the classical period can be divided into rococo style and gorgeous style. Rococo style pays attention to strict counterpoint, careful conception, and heavy colors give way to beautiful and slender carvings, especially in keyboard music. Gorgeous style includes clear texture, common periodic phrases with termination, decorative melody, simple harmony and dissonance.