Raw salted duck eggs can be cooked by steaming or boiling. Boiling raw salted duck eggs depends on the temperature of the water, with boiling water can be cooked for about 8 minutes, with cold water will take 20-30 minutes. Steaming raw salted duck eggs can be steamed for 10 minutes, and compared to boiling, steaming can kill bacteria better.

Salted duck eggs, also known as green skin, green eggs, salted duck eggs, pickled duck eggs, the ancient name of salted olive vendors, is a Chinese specialty dish.

Salted duck eggs are produced in many parts of the country, but only Jiangsu Gaoyou salted duck eggs are the most famous.

The southern provinces of China are well developed in raising ducks and producing duck eggs, with the main production areas in Jiangsu, Hubei, Hunan, Zhejiang, Fujian, Guangdong and other provinces, as well as water towns around the country.