Gently press on the horizontal or vertical lines. The pressure line in Hengshui style calligraphy refers to when writing Chinese characters, the ends or turning points of certain strokes are gently pressed on the horizontal or vertical lines according to certain rules to ensure standardized and beautiful glyphs. The function of line pressing is to make the glyphs neat and symmetrical, and to connect the strokes with each other, making them appear smoother, more powerful, and more beautiful.