Peony bark recorded in Pharmacopoeia of the People's Republic of China (2000 edition) is PaeoniasuffruticosaAndr of Ranunculaceae. ）PaeoniasuffruticosaAndr。 Dry root bark. Peony, as a medicinal herb, was first recorded in Shennong Materia Medica Classic and listed as a Chinese product. It has been recorded in later generations of materia medica. However, at that time, peony had not been cultivated on a large scale, and the medicinal peony was mainly wild species. All wild peonies produced in Sichuan and even all over the country may be used as peony. With the expansion of the dosage of Paeonia suffruticosa, the wild resources can no longer meet the needs. In the late Ming Dynasty, during Chongzhen, Tongling County, Anhui Province began to introduce and cultivate Paeonia suffruticosa, and the cultivated medicinal Paeonia suffruticosa variety-Fengdan has been in use ever since. At present, the commodities of peony bark mainly come from cultivation, and the cultivated varieties are mainly Fengdan introduced from Anhui. Location: Tongling, Nanling and other areas in Anhui Province.