The article provides an overview of the history and development of the yam industry in China, with a focus on its cultivation, structure of varieties, and processing. Yam, a staple food with a long history in China, is native to the country and has been cultivated for over 2,000 years. The industry has seen fluctuations in production and market demand throughout the 20th and 21st centuries, with periods of oversupply and shortage. The article also highlights the diversity of yam varieties and their distribution across China, as well as their classification based on shape and origin. Additionally, it notes the transformation of the industry towards industrialization and the challenges and opportunities it presents for the future.