White emu duck is a famous specialty in western Fujian with a history of more than 700 years. According to legend, in ancient times, it was a cross between Bai Niao and local ducks and then bred for a long time. China Poultry Industry Association recognized that white-tailed duck is the national quintessence of ducks, and it is the only duck species with medicinal nourishing and health care functions found in China so far.

According to Ten Medicine Classics in Qing Dynasty, white duck can cure hemoptysis and tuberculosis, and it is an auxiliary diet food for many diseases. Traditional Chinese medicine and folk believe that ducks have the effects of clearing away heat and toxic materials, nourishing yin, reducing fire, resolving phlegm, inducing resuscitation, calming the mind, calming the nerves, stimulating appetite and strengthening the spleen. They are widely used to treat measles, hepatitis, unknown low-grade fever in children, bloody dysentery, etc., and have analgesic and adjuvant effects on cancer patients. After the founding of the People's Republic of China, it was compiled into "China Poultry Variety Records". Meat is rich in 17 kinds of amino acids and 10 kinds of trace elements, with extremely low cholesterol. Clinical experiments have proved that the white-tailed duck also has the peculiar effect of relieving the condition of cancer patients and prolonging life. In 2000, it was listed in the national protection list of livestock and poultry resources by the Ministry of Agriculture, and became one of 78 kinds of livestock and poultry resources under national key protection. 200 1 was awarded "Famous Brand Product of China International Agricultural Expo". It is the only duck species with medicinal nourishing and health care function in China so far.