Abstract: With literati paintings as the starting point and Great Wind Hall as the base, through the repeated practice of scholar paintings and commercial painters' paintings, ZHANG Da-qian realized deeply that the calligraphic essentials of basic training and slim painting with strength are the fundamental feature of Chinese paintings. Meanwhile, he was keenly aware of the fact that the Chinese artists' paintings of the 20^th century should have the comprehensiveness of commercial painters' paintings, idealism of the scholar drawings in culture, and professionalism of literati paintings. Compared with reformists and revolutionists, ZHANG's understanding of the spirit connotation of artists' works was more in accordance with the national conditions of development of Chinese culture. This is the key reason why he became brilliant master painter.