Fengdan, also known as Tongling Peony and Tongling Fengdan, belongs to the Jiangnan variety group. Its root bark has analgesic, antipyretic, anti-allergic, anti-inflammatory, immune and other medicinal applications. It has thick roots, thick flesh, powdered feet and fine wood core. It has many characteristics such as bright stars and long-term storage, and it is also known as the four famous medicines of Anhui Province. It is also one of the 34 precious herbs in China. The "Chinese Dictionary of Traditional Chinese Medicine" clearly states: "The quality of the tannin produced by Fengling Mountain in Tongling, Anhui Province is the best", so it is called Fengdan.

Tongling white ginger, as the best in ginger, has a special growth environment. It not only has unique geographical environment, climatic conditions and geological soil that cannot be replicated elsewhere, but also has unique planting techniques. Tongling white ginger has its own unique quality characteristics compared with other gingers. The formation of this quality characteristic is mainly in addition to the unique natural resources and excellent white ginger varieties, which are mainly related to the original cultivation methods and planting techniques. The relationship, such as the traditional Jiangge storage ginger preservation germination method, ginger shed shading method and sorghum sorghum cultivation method, etc., its cultivation technology has been included in the intangible cultural heritage of Anhui Province Tongling white ginger cultivation skills.