Under normal circumstances, there is no harm in eating salted duck eggs in moderation, but because it is a pickled product, it contains more harmful substances such as nitrite, so try not to eat more. Eating too much is easy to cause cancer. Salted duck eggs contain more salt, which is easy to induce hypertension and heart disease. In addition, salted duck egg yolk is rich in oil and cholesterol, which is easy to induce hyperlipidemia. It is recommended to eat it in moderation.