From Qin Zhuan to the cursive script of Han, Wei and Jin Dynasties, China's calligraphy has developed for 500 years. Then it reached its peak in Datang. We pay attention to one word in calligraphy learning: oral transmission. In other words, the inheritance of calligraphy is word of mouth. The teacher demonstrates while explaining, and the students understand while watching. Dr. Yu Zhonghua from CCTV Lecture Room talked about this issue. The inheritance of brushwork has a family tree and is sealed in a small aristocratic circle.