Poetry inscription is an art form. In the blank space of Chinese painting, a poem is often written by the painter himself or others. The content of the poem either expresses the author's feelings, or talks about artistic sentiment, or sings the artistic conception of the picture. "Emotion is easy to think, painting is insufficient, and the topic is made" (On Mountain Painting). This kind of poem inscribed on a painting is called a painting poem. Inscribed poems are a part of painting rules, which are expressed in painting through calligraphy, so that the beauty of poetry, calligraphy and painting are skillfully combined, reflecting and enriching each other, enhancing the formal aesthetic feeling of works and forming the artistic characteristics of Chinese painting. Chinese painting is a unique painting art of Chinese painting, with diverse artistic styles, such as flowers and birds, landscapes and figures. A Chinese painting must have an inscription, which plays a finishing touch in Chinese painting. A piece of work, accompanied by ancient poetry in line with the artistic conception of the picture, plays a icing on the cake. Zheng Banqiao is a master of bamboo painting. One of his masterpieces is the Dianthus diagram. Under a rugged and grotesque stone, he drew two sparse xiuzhu, which stood proudly in the cold wind, with a sense of pride. The ancient poem inscribed in the upper left corner "insists that the green hills are not relaxed, rooted in the Rocky Mountains, and are still strong. Therefore, it is necessary to write ancient poems on Chinese paintings with pictures. "