Nouns in the history of China's painting. Guo Dui and Huang Quan's Evaluation in Song Dynasty and Five Dynasties. Xu Xi and Huang Quan are both flower and bird painters. Huang Quan, an official in charge of the inspection of Shu, was also an ancient scholar. In order to meet the needs of the imperial court, he painted rare birds with different flowers in the palace. The flowers and birds he made are exquisite in color, using a very new pen, and after many times of rendering, they are meticulous and gorgeous. People call it "Huang Jiafu". Xu Xi is Chu Shi, south of the Yangtze River. He is "uninhibited" and writes about wild bamboos, flowers, fruits, birds and fish in rivers and lakes. "It's scrawled with ink and strokes, but it's a little pink. Very vivid and vivid. " See Meng Xi Bitan. Known as "Xu Xiye Yi". They have different social status, different environment and living habits, different aspirations and different aesthetic tastes. Each has its own unique painting style. Later generations called it "Xu Huangyi". In flower-and-bird painting, the two schools of Huang Xu are also two models, which have great influence on later generations.