Linwu duck is a specialty of Linwu County, Chenzhou City, Hunan Province, a Chinese geographical indication product, and one of the eight famous ducks in China. It has a long breeding history. It has the characteristics of fast growth and development, large body size, and multiple egg production. , strong adaptability, high feed return, tender meat, good subcutaneous fat deposition, delicious taste and other characteristics. It is famous for "nourishing yin and reducing fire, beautifying and fitness". The local people are commonly known as "Hook-billed Duck", and its quality ranks first in China. The head of the shelduck was once used as a tribute to the imperial court and its reputation spread far and wide. It was included in the "Hunan Provincial Livestock and Poultry Breeds" and won the Hunan Provincial Gold Medal for High-Quality Agricultural Products.