One kind. "Zhou Li Tianguan Waifu" and "Foreign Zhang Fubang Department went in and out" Tang Gong Yanshu: "One product is made in spring, but it is earned in weeks, but there are two products." Zhang Songzai's Confucian Classics Cave Sacrifice: "Shame is no more than one product." Shen Songkuo's History of Meng Qian Bu Bi Qin Yi: "At that time, Yangzhou peony did not have this product, and now it is called' golden waist'."