The second pen is suitable for writing plump and vigorous facial expressions. This kind of pen has a large amount of ink, which is more suitable for beginners to turn around and hide the front when lifting the pen, and experience the realm of "charm" in "male". As for the "vigorous strength" of Yan body, it is not easy for beginners to understand at first, and it doesn't take much effort to turn the pen around. After a long time, great efforts will form stiff habits of the body, arms, bowls and fingers, which is very unfavorable to calligraphy learning.