Recognition: "The reign of Qianlong in the Qing Dynasty" three lines and six characters. Round mouth, short neck, flat shoulders, square body, circle feet outside. Cong's appearance resembles a pen holder, with a square inside and a round hole, implying the meaning of a place where the sky is round. The whole body is glaze with green beans, and the mouth of the bottle is painted with auspicious patterns. The surrounding body is recessed with Bagua texts. According to legend, Fuxi creates Bagua pictures. The Bagua pictures are divided into all directions, and the center is the Taiji Picture. "Book of Changes" believes that gossip symbolizes the eight natural phenomena of heaven, earth, thunder, wind, water, fire, mountains and Ze. "The Book of Changes. Xi Cishang" says: "Yi has Tai Chi, which is the birth of two rituals, two rituals give birth to four images, and the four images give rise to gossip.