1. Jin people admire rhyme: grace, grace and interest, so the calligraphy of Jin people is very graceful and interesting.
2. People in the Tang Dynasty respect the law-the calligraphy in the Tang Dynasty is rigorous and magnificent, showing the national strength and pioneering spirit in the heyday of feudalism.
3. Song people's "respect for meaning"-the so-called "respect for meaning" means paying attention to the expression of personal interests and feelings. This aesthetic trend of thought, which emphasizes subjectivity and individuality, especially emphasizes the lyric function of calligraphy art, so that calligraphy art has a direct relationship with people's personality and temperament. The beauty of calligraphy lies not only in the external form, but also in the internal charm, that is, the spiritual connotation such as interest, knowledge, character, mind and ambition it conveys.