Hard pen calligraphy is the difference between it and brush calligraphy, which lies in changing the rough stippling of soft pen into slender stippling, removing its flesh and blood and preserving its bones.
Its writing tools include pens, ballpoint pens, dip pens, pencils, plastic pens, bamboo pens, wooden pens and iron pens. , with ink as the main carrier, showing China's writing skills. It has the characteristics of convenient carrying, quick writing and wide use value.
Chinese characters written by hard pen calligraphy or created by soft pen cannot be violated, otherwise they will not be recognized. Therefore, Chinese characters written by hard pen can still show the traditional style of Chinese characters more or less. Soft pen and hard pen have their own characteristics. When we regard the strokes written by soft pen as "faces" in a "fuzzy" way of thinking, we can also regard the strokes written by hard pen as "lines". We regard hard pen strokes as "lines" because it can't basically express the expressive force of soft pen strokes on the contrast of line thickness changes (except for irregular hard pens). Hard pen is just a line, and the traditional "turning point" technique has lost its application significance. Chinese characters written with hard pen are just a combination of lines, which is a bit like the "steel wire seal" created by the Qing Dynasty.