Introduction to calligraphy: Li Shutong’s achievements in the art of calligraphy have attracted the attention of the world, and his seal cutting can be said to be unique. His calligraphy is like pure gold and jade, cool and transcendent, precise, pure and wonderful, elegant and full of music. His character is found in simplicity, and he is prepared for all things with no state. He combines the humility of Confucianism, the nature of Taoism, and the naturalness of Buddhism. The serenity of calligraphy is embodied in the art of calligraphy. Hearing the words is like hearing the Dharma. Those who love and cherish the treasure are suddenly filled with joy. Those who get it are as precious as a jade. It can be called a masterpiece in Chinese calligraphy in the past dynasties. Hong Yi and his calligraphy are also called the most precious treasure of the country and the light of China.