It is said that this kind of domestic duck is also related to Emperor Qianlong. During the Yongzheng period, Qianlong traveled to Jiangnan to admonish to eat a restaurant's shabu-shabu. The chef rushed into a batch of duck. When he went home at noon, he realized that all the ducks were dead. It turned out that the children of the goose keepers were too naughty and used salt to tease the ducks. Eventually the ducks were salted to death. But the Qianlong Emperor needed to come right away, and it was too late to find another batch of ducks. The chef had to boil the ducks (the salt was too high and the skewers would explode), so he gritted his teeth and ate them. Emperor Qianlong ate the ducks, saying that they were "very much to my liking" and named them "Nanjing Saltwater Duck". Since then, this Nanjing City, the specialty snack is so spread.

Nanjing salt water duck, also known as Nanjing cinnamon duck, is a well-known local specialty of Nanjing, China's geographical indications product commodities. Because Nanjing has "Nanjing Jinling" also known as, so also known as "Nanjing Jinling Nanjing salt water duck", quite famous, a few thousand years ago.

Nanjing brine duck production has a long history, accumulated colorful production work experience. The production of Nanjing salt water duck duck skin fat meat tender, fat and not greasy mouth, fresh and fragrant, with fragrant, crispy, tender characteristics. Around the Mid-Autumn Festival, when the osmanthus tree is in bloom, the best color and taste of Nanjing salted duck is made, which is called Nanjing osmanthus duck. Nanjing osmanthus duck is a well-known local specialty of Nanjing, quite famous, has been rumored to be fragrant for more than 2,500 years. The skin of this duck is fat and tender, fat and not greasy mouth, fresh and fragrant, with fragrant, crispy, tender characteristics. Every year around the Mid-Autumn Festival in Nanjing salt water duck color and taste the best, is due to the duck in the osmanthus tree bloom season made, so the name: Nanjing osmanthus duck.

"White Gate Recipes" described: "Nanjing Jinling August stage, Nanjing brine duck is the most well-known, everyone thinks that the meat within the fragrance of osmanthus flowers also." Nanjing osmanthus duck "clear and purpose, long food is not greasy", is a wonderful meal. New Year's Day or festival or weekdays at home guests, on the street to buy a bowl of Nanjing osmanthus duck, seems to have been the first lights on the house lights when the mundane rituals.