Han Yun's calligraphy, as a kind of calligraphy, is certainly valuable for collection. People all over the world have always tended to collect famous soft pen calligraphy. In recent decades, the country has vigorously promoted hard pen calligraphy, and various hard pen masters have sprung up, and a large number of fruitful works have emerged. The works of famous artists, in particular, will become more and more valuable over time. There are a certain number of famous calligraphy works handed down from generation to generation, and some works will be damaged or lost, which has great collection value.