Yan is a regular script font, with regular font, simple structure, clear strokes, horizontal and vertical, showing a dignified and stable feeling as a whole. Shang cursive script is a cursive script with scrawled font, complex structure, continuous strokes and staggered strokes, showing a wild and passionate feeling as a whole. Cursive script pays attention to the fluency and variability of strokes, and pursues the speed and expressiveness of writing, which often has the characteristics of Lian Bi and broken pen. But I pay more attention to the standardization and neatness of fonts, and pursue the accuracy and beauty of writing. Therefore, there are obvious differences between Shang cursive script and Shang cursive script in font and writing style.