The benefits of eating bird’s nest for a long period of time: 1. It can nourish Yin and moisten the lung. For people with sore throat, red eyes, irritable heart, cough, phlegm and blood caused by Yin deficiency and fire, if they eat bird’s nest for a long period of time, it can help to relieve the above symptoms by nourishing Yin and moistening the lung. 2. For people with weakness of Qi, pale complexion, nausea, vomiting, loss of appetite and indigestion, eating bird’s nest for a long period of time can benefit the Qi and strengthen the body.