How many calligraphers did this text introduce in the history of China? What are the characteristics of their calligraphy art?

The text mainly introduces calligraphers such as Wang Xizhi in the Eastern Jin Dynasty, Ou Yangxun in the early Tang Dynasty, Yan Zhenqing in the prosperous Tang Dynasty and Liu Gongquan after Yan Zhenqing.

The main characteristics of Wang Xizhi's calligraphy are: exquisite brushwork, elegant brushwork, euphemistic brushwork, such as flowing water. The second knot is beautiful, the bones are delicate and delicate, and the stippling is dense. The three chapters are ingenious and contain rich artistic beauty within the scale. No matter what the point is, it's really wonderful to use a pen to make the front face.

The main features of Ou Yangxun's calligraphy are preciseness, neatness, honest and frank and vigor. Although the glyph is a little longer, it is white, neat and rigorous, the middle palace is tight, the main pen is elongated, it looks bold and unrestrained, dense and well-organized, surrounded on all sides, exquisite and vivid, just right. The combination of stippling and painting, the structural arrangement, is that the middle of the plane is steep and powerful, and the fonts extend to the right, but the center of gravity is still very stable, without the feeling of inclination, which is interesting and dangerous.

The main characteristics of Yan Zhenqing's calligraphy are: it has the charm and charm of the previous calligraphy style, and it is not bound by the ancient law. It broke through the rut of the early Tang Dynasty and formed its own style, which is called "Yan Ti". Song Ouyang Xiu commented: "Thinking about life is loyal, so calligraphy and painting are strong and independent, and they don't attack the past. They are quite magical, a bit like people. In the Song Dynasty, Zhu listed his calligraphy as a sacred product in "Continued Book Break". " He also commented: "The point is like a falling stone, the painting is like Xia Yun, the hook is like gold, and the bow is like a crossbow. There are images in both vertical and horizontal directions, and there is a low posture. Since the dedication, no one has said it. "

The main features of Liu Gongquan's calligraphy are: vigorous structure and meticulous words. As far as the characteristics of Chinese characters are concerned, they are famous for their thinness and strength. The regular script written is beautiful and strong, and the running script and regular script are the most exquisite. Liu Gongquan's calligraphy is called "Liu Style" because of its unique works.

His handwriting is even, thin and hard, steadily chasing the north of Wei River, colorful and beautiful, vigorous and well-organized, and has the name of "Yan Gu". "Books are expensive, thin and hard, and the spirit is clear." Compared with his face, his regular script is slightly flat and thin, so it is called "Yan Gu".