Wu's paintings incorporate the features and characteristics of traditional arts in China; he uses a special painting language - dots, flowing lines, and planes - to connect his themes and express his love for the motherland. Wu said that: "Art can only be born in a pure and unselfish soul and germinate in its own soil." "Growing new branches from traditional roots", integrating abstract improvisation and spontaneity, Wu created paintings with a strong personal style.

In "The Flying White of Waterfall", Wu paid special attention to the self-discipline of visual elements: during the painting process, he resorts to the natural texture of water-color paper as a natural painting medium. He uses a firm and decisive brush to create an effect similar to the technique of leaving white space in each stroke in calligraphy. The artist uses the contrast between black and white and other colors to systematically present the intrinsic structure of nature: the lines in motion continuously propagate themselves and they chase each other, move in space and form a dynamic style. Wu promotes abstraction from reality and nature and transforms it to a sublime sense. The simplifying of the structure allows the internal harmony and beauty of the painting to burst forth.