Bird's nest is not only as delicious as bear's paw and shark's fin, but also a well-known high-grade tonic at home and abroad. It is rich in protein, with protein content as high as 50g per 100g, and also contains various nutrients.

Bird's nest has an excellent nourishing effect. After a long illness, people who are afraid of eating less can use bird's nest as a tonic. It is said in "No Eating" that bird's nest has the functions of "strengthening yang and benefiting qi, harmonizing middle energizer and stimulating appetite, replenishing essence and marrow, moistening lung and stopping diarrhea, eliminating phlegm and promoting fluid production". According to Compendium of Materia Medica, bird's nest is "sweet and light in taste, nourishing lung yin, resolving phlegm and relieving cough, and supplementing it with clear water, which is the holy medicine for regulating deficiency and tuberculosis".

Stew bird's nest and bletilla striata with slow fire, add crystal sugar, and take it in the morning and evening to treat senile bronchitis, emphysema and hemoptysis.

Before eating, wash the bird's nest with clear water, then soak it in 80% hot water for 3 hours to make it swell and soften, then wash it with tweezers, and then soak it in boiling water at 100℃ for about 1 hour before eating.