Burdock (scientific name: Arctium lappa L.), also known as: Kushi, Hercules, Ginseng, also known as Oriental Bullwhip and so on. For Platycodon, Compositae and Arctium plants, Japan imported and improved into food from China more than 1,000 years ago. When Japan occupied Taiwan, it asked local farmers to grow a large number of them. The main reason is that there are pine sandy soil along Zengwen River in Tainan, the climate of the Tropic of Cancer and the famous Alishan Yanmai, which make the burdock unique and precious. It has been eaten as a vegetable in Taiwan. Arctium lappa is known as the birthplace of Arctium lappa. Platycodon, Compositae biennial herbs, basal leaves wide ovate, up to 30 cm long, 21 cm wide, most or a few capitate inflorescences in corymbose or conical corymbose inflorescences, achenes oblong ovate or oblique oblong ovate, flat on both sides, light brown. Flowering and fruiting period is from June to September.
Burdock tea is a pure natural tea product made from burdock root, a Chinese herbal medicine; prevailing in the era of Japanese imperialist colonial Taiwan, Tainan once planted a large area for the Japanese Royal family, planting the ideal mother of Liuchuan. After the founding of the country, it was introduced into the mainland and widely planted in the Fengxian area of Xuzhou. 
Its characteristics are deep roots, foliage fertilizer, thick meat, superior burdock diameter of 3 cm, but the length of more than 70 cm, yellow skin, known as golden burdock by the local people. Because burdock roots go deep into the ground, they can absorb more nutrients in the soil, so their nutritional value is particularly high.
Burdock has been harvested for up to six months, and needs to avoid the rainy season, so it can only be harvested once a year, which is more rare and precious. Li Shizhen of the Ming Dynasty called it "cutting seedlings and washing vegetables, boiling roots, exposing them to preserves, cloud its benefit people".