According to relevant documents, Su Dongpo's calligraphy is as vigorous and bold as his articles, with a vigorous posture and strong physique. Dongpo's ancient coin font, jade bone with ice muscles, and the majestic weather and momentum of Qian Wen. "Yuan" lettering pen is like "rolling up a thousand piles of snow". It is elegant in the left hand and smart in the right hand. It is also "rich" and "soft". It is rigid, vertical and extravagant, and "holds the festival in the clouds", with lofty style and elegant charm. Only stone, asking for wine from heaven, and then wrote down the word "treasure", which is "extravagant and spotless" It looks fat, just like "accumulate gold into jade" in it, a broad-minded, detached and well-informed attitude towards life and understanding of physics. Look at the beginning and charm of the yuan word in this spring, which is similar to Su Dongpo's handwriting. The words "abundance" and "treasure" are both weeds. Who would write this font if it wasn't Su Gong? Many documents have written Su Dongpo's coin as "Yuan You Bao Tong", perhaps because of the peculiar structure of Qian Wen, which is also "rich" and "rich".