Xu Wei's freehand flower and bird paintings have a unique style that no one can match. Xu Wei's flower and bird paintings are bold and innovative in absorbing the advantages of his predecessors. The things in the paintings are depicted in seemingly simple ways, showing not only the similarities of the things themselves, but also reaching the point of spiritual resemblance. Xu Wei's freehand flower and bird paintings are not ordinary copying. They use artistic processing to better interpret the inner meaning of things, allowing viewers to be immersed in the scene when appreciating the paintings. Although his painting of sycamore trees only depicts a small part, it can make people think of the towering and strong sycamore trees and feel trapped in them. Xu Wei uses his exquisite brushwork to paint paintings that make people fascinated and unable to extricate themselves. Xu Weiyi had a difficult life and was extremely poor in his later years. However, because of his noble character like bamboo, Xu Wei did not give up for five buckets of rice. Even if those dignitaries had a lot of money, Xu Wei would not paint a picture for them. painting. There are many freehand flower and bird paintings by Xu Wei that have been passed down to this day, such as: "Ink Grape Picture", "Landscape Figures Flowers and Birds", "Peony Banana Stone Picture", "Ammonite Picture" and so on.