Xu loved calligraphy since childhood and studied under the famous calligrapher Xu Beihong and other traditional calligraphy masters. His works are deeply loved by the vast number of calligraphy lovers and collectors, and enjoy a high reputation and status in the calligraphy world. Representative works include "Water Turning Around" and "View of Line 06".
In addition to calligraphy creation, Xu also devoted himself to calligraphy education and popularization, and held many personal calligraphy exhibitions at home and abroad to advocate calligraphy education. He also published a number of calligraphy collections and teaching books, which made positive contributions to the development of calligraphy in China.