The benefits of bird’s nest for the elderly are as follows: Firstly, the main amino acid in bird’s nest is sialic acid, also known as bird’s nest acid, the main part of sialic acid is the central nervous system of the human body, that is, the human brain, which acts on the brain to effectively improve human memory, delay aging, and has a positive and important role in preventing Alzheimer’s disease. Secondly, bird’s nest can replenish the qi and moisten the lungs, which can effectively treat chronic bronchitis, tuberculosis, emphysema and other chronic diseases, and is also an effective health product for smoking elderly people to clear their lungs. Thirdly, bird’s nest can improve the immunity of the human body. Consuming bird’s nest for a long time can significantly increase the immunoglobulin level of the human body, which can effectively avoid diseases and improve the immunity of the human body.