Chen Yulong believes that the "three-dimensional sense" emphasizes that calligraphy should pursue the sense of dignity of structural modeling, which is vigorous, vigorous, magnificent and full of flesh and blood, and is the backbone of calligraphy art; The "sense of rhythm" focuses on the momentum of the pen, and it is necessary to combine rigidity and softness with movement to make the calligraphy image dignified, refreshing and fascinating; The "hazy feeling" focuses on artistic conception and verve, and it should be profound, distant, subtle and subtle, with a hidden spirit at the bottom of the pen and full of vitality; The "sense of space" focuses on the layout of calligraphy, which should be broad and ethereal, with white as black, black and white complementary, and the trend of Guang Chuan as square silk; The "sense of the times" emphasizes seeking change and innovation, and should be based on tradition rather than being conquered by the ancients, and learn from others.