2. Xu Wei's calligraphy and painting methods are extremely skilled, and his inscriptions are like freehand brushwork, unrestrained and eloquent; His splash-ink freehand brushwork, which combines the brushwork of pen and ink, is full of fun.
3. Xu Wei's paintings have strong subjective feelings and bold brushstrokes, thus pushing China's freehand flower-and-bird painting to the highest level of writing strong thoughts and emotions. By controlling brushstrokes at will on raw rice paper to express emotions, the techniques of freehand flower-and-bird painting have been raised to an unprecedented height.
4. It became a milestone in the development of freehand brushwork flower-and-bird painting in China, initiated the China freehand brushwork school, and provided a broad space for the development of literati painting. His painting style had a far-reaching influence on Badashanren, Shi Tao and Eight Eccentrics in Yangzhou in Qing Dynasty and Wu Changshuo and Qi Baishi in modern times.