It should be said that China's calligraphy has two systems, one is brush calligraphy and the other is hard pen calligraphy. Originally "calligraphy" means brush calligraphy. In the 1980s, the upsurge of hard-pen calligraphy rose in China, involving all walks of life and spreading all over the country, just like literature fever and singing and dancing fever. Hard pen calligraphy is not as "magnificent and splendid" as brush calligraphy, but it has the same roots as brush calligraphy and has a solid social foundation and strong vitality. After several generations of research and exploration, I learned from nature and deliberately innovated, and gradually developed a relatively systematic and complete theory, forming an independent artistic system.