Ni Zan is an outstanding painter and painting theorist of Yuan Dynasty. His work and painting aesthetics serve as a link between past and future, and produced the far-reaching influence. Ni Zan's painting aesthetics can be summarized as view of the nature of painting of ”Write the chest YiQi,” 寫胸中逸氣 function of painting of ”Self-entertainment,” the painting of ”Not seeking the shape.” Under the guidance of this painting aesthetics, in the specific practice of painting, Ni Zan take a ”Yi bi cao cao” 逸筆草草 way of painting, this ink brush blend the ”Yi” of the personality, and created ”Yipin” 逸品painting that is highly respected of future generations.