Bird’s nest stewed with lily has the effect of nourishing Yin, moistening the lung and relieving cough. From the perspective of traditional Chinese medicine, bird’s nest has the effect of nourishing Yin, moistening the lung, benefiting Qi and tonifying the middle, that is, it can nourish the Yin of the lung, but also tonify the middle, that is, the Qi of the spleen and stomach. Lily has the effect of moistening the lung and relieving cough, clearing the heart and calming the mind from the perspective of Chinese medicine. Therefore, bird’s nest and lily together have the effect of nourishing lung yin, which is good for patients with long-term chronic cough.