Lixian County Rhubarb is an excellent variety of Chinese herbal medicines, special product of Lixian County, Gansu Province. It is mainly produced in the county of Lishui Township, also known as "Lishui Rhubarb" and "Yellow Yellow". Lixian is a palm leaf rhubarb, and its production history began in the Han Dynasty. Lixian rhubarb has a large block shape, solid texture, fragrant smell, good pharmacological properties, good quality, and the highest active ingredient content in China.