1. The lines formed by different writing tools have different textures. Brushes are mainly made of wool from sheep, rabbits, chickens, weasels and other animals. In addition, the lines formed by the amount of ink used by the pen have different ink colors, and their lines are soft and rich in texture, and the strokes are floating or healthy. There is rigidity and softness, and there is flesh and blood. Hard pen is made of gold, copper, iron, iridium and other hard materials, so the writing is solid, slender and powerful.
2. Due to the flexibility of the brush, the strokes are wide and narrow, with different sizes, and the lines and faces are used together, which is rich in performance; However, the hard pen has smaller opening and closing ability, uniform stroke thickness and bright and concise lines.
3. Brush calligraphy is generally large in font, large in space and easy to appreciate. But now it is mostly used as artistic creation, with less application. In addition, it is expensive to write on special paper such as Xuan paper and wool paper. Hard pen calligraphy is small and exquisite, easy to write and change, and basically not limited by paper, so it is widely used in all walks of life.