The first effect of fresh duck eggs is to nourish Yin and calm the liver. Therefore, for headache, dizziness, sore throat and tooth pain caused by Yin deficiency and inflammation of the liver, if fresh duck eggs are consumed properly, they can alleviate the above symptoms by nourishing Yin and calming the liver. The second effect of fresh duck eggs is to clear the lungs and stop coughing, because duck eggs belong to the lung meridian in traditional Chinese medicine, and by nourishing the lung meridian for coughing, coughing phlegm, coughing and asthma caused by lung qi deficiency, if properly consumed fresh duck eggs, by nourishing the lung meridian and have an obvious effect of clearing the lungs and stopping coughing, stopping phlegm and asthma.