During the decades of studying calligraphy, Yang Haifeng deeply studied the way to use the pen, asked many teachers for advice, and learned from many families. He enjoyed it both in summer and winter, laying a solid foundation for calligraphy. After decades of hard study, he dabbled in a wide range, studied calligraphy deeply and mastered five subjects. He created a large number of works of art and formed his own unique style of calligraphy. First, the traditional skills are profound, and all the bodies are fine. There are in-depth studies on the cursive script of Zhuanlikai. After a long period of study, he inherited the ancient calligraphy art in an all-round way, with profound traditional skills and exquisite brushwork. The second is to nourish the spirit with books, nourish the body with words, and make achievements outside words. Besides reading, I read widely, especially focusing on philosophy, aesthetics, calligraphy, literature and ancient poetry. I studied under Ming Dow and wrote books close to Taoism. With modern aesthetic consciousness, some rhythms and tastes of sister art, and literary accomplishment, a distinctive personal style has been formed. Thirdly, calligraphy learning emphasizes my existence, learning and analysis; In the creation, it is emphasized that there is no me, no me, no me, no me, no me. Try to be perfect with a pen, and the breath is natural and seamless. The book style is heavy, steady and elegant.