Salted duck eggs have the effects of reducing fire, moistening skin, calming the liver and improving eyesight, and preventing anemia. They are suitable for people with excessive fire due to yin deficiency, diarrhea and infantile food retention, and taboo for pregnant women, people with spleen-yang deficiency and diarrhea due to cold and dampness.

1. Reducing fire and moistening skin: the effect of reducing fire is a traditional Chinese medicine statement. This is because Chinese medicine believes that duck eggs are cold, so they can nourish yin and reduce fire, remove heat and moisturize skin, and Chinese medicine believes that salted duck eggs have better fire-reducing effect than fresh duck eggs.

2. Nourishing yin and clearing lung: Salted duck eggs are sweet and cool, and have the function of nourishing yin and clearing lung, especially suitable for people with physical weakness, dry throat and diarrhea after illness.

3. Pinggan Mingmu: Because the yolk of salted duck eggs is rich in vitamin A and carotene, both of these nutrients contribute to the function of the liver, so salted duck eggs have the nutrition of calming the liver and improving eyesight.

4. Prevention of anemia: Salted duck eggs contain far more mineral elements than eggs, such as calcium, iron, manganese, zinc, etc., among which calcium and iron.