Calligraphy in Ming Dynasty has three characteristics: ① the regional style of calligraphy and the combination of calligraphy and painting. ② Strong learning ability. "Tiexue" refers to the study of letters and ink in the previous generation, especially the study of the calligraphy of Wang School in the Jin Dynasty. Most of the ancient ink books were collected and circulated, so they were called "iron blood". ③ The ability of calligraphy appreciation is strengthened.