Shi Jiu is a dutiful son. After hearing the news, he quickly asked for leave and rushed home to visit his mother overnight. He paid tribute to the duck breeder who saved his mother and the people who took care of her. Zheng Shi never dared to leave home again for fear that her mother would have another accident. While taking care of her mother, Shi Jiu plans to do something for the villagers. He saw that many ducks were raised by villagers, but duck eggs and duck meat were worthless, so he used his own skills: he used the skills of making swan eggs and bird eggs in the palace to process them into salted ducks and salted eggs (the predecessor of preserved eggs), and whoever ate them said yes. Take it to the market and sell it. This is very popular and can be sold at a good price.
After Shizhen returned to her hometown, the cooking quality in the Chu palace was not as good as before, and the appetite of the king of Chu also declined. So the palace sent someone to search, found Shi Jiu and asked him to return to the palace. In order to show filial piety and repay the villagers, Shi Jiu asked someone to help him quit his job in the palace, and also asked him to bring back some sauced ducks and eggs made by himself for the king of Chu. After the king of Chu tasted it, he praised Shi's filial piety to his mother and gratitude to the villagers. He ordered that dried salted duck and salted duck eggs be named as "tribute dried salted duck" and "tribute salted duck eggs", which were produced and supplied to the palace of Chu all the year round.
Zheng Shi led the villagers to make a fortune by producing tributes. This kind of tribute, the delicious food of dried salted duck and salted duck eggs and the unique production technology have also spread to today.