When traveling, Han Ming witnessed the images of plowing cattle in the fields. After more than a month of repeated revisions, he finally drew five cows with different shapes and appearances, and named the painting "Five Cattle Map". This painting is a reflection of Han Yun's emphasis on agricultural development during his tenure as Prime Minister, and it may be of significance to encourage farming. Wu Niu Tu is a colorful jute paper painting created by Han Yun in the Tang Dynasty, which is now in the Palace Museum in Beijing. Because cows are a traditional theme in China's ancient paintings, it has a lot to do with the traditional idea of "agriculture-oriented", and this picture of five cows may contain the significance of encouraging farming. This painting is the earliest paper silk painting with the theme of cattle in existing works. Han Wei (19,723-March 787) was born in Jing Zhao Chang 'an (now Xi, Shaanxi). Han Xiu, a painter, prime minister and son of Prince Shao Shi in the Tang Dynasty. Han Yinggong's calligraphy and cursive script are Zhang Xu's brushwork. He studied under Lu Tanwei in the Southern Song Dynasty, and was good at drawing figures, rural customs and scenery, especially imitating animals such as cattle, sheep and donkeys. Wu Niu Tu is his only masterpiece handed down from generation to generation. It is painted on white linen paper, which is considered as the earliest paper painting in China. He is the author of General Rules of the Spring and Autumn Period and Preface to Astronomy. There are two Poems of the Tang Dynasty.