Edit the function of this bird's nest, 1, nourish lung yin, relieve cough due to lung deficiency, and reduce lung qi diseases. Include asthma, shortness of breath, chronic cough, blood in sputum, hemoptysis, bronchitis, hyperhidrosis, and ebb tide fever. 2, stomach, stomach cold, vomiting. Nausea, retching and bowel sounds caused by deficiency of stomach yin. 3, where the body is weak, tuberculosis, loss of qi after illness, combined with bird's nest for food, can nourish yin and adjust the middle. 4, antiperspirant, qi deficiency, spleen deficiency and hyperhidrosis, frequent urination, nocturia. 5, make people's skin smooth, elastic and shiny, thus reducing wrinkles. 6, bird's nest contains a variety of amino acids, infants often eat can increase wisdom, increase thinking, anti-sensitivity, make up for its shortcomings. 7. Pregnant women eat it during pregnancy and before and after delivery, which has the function of preventing and repairing tires. 8. Bird's nest is a kind of natural nourishing food, which contains a variety of amino acids and can inhibit and fight esophageal cancer, laryngeal cancer, gastric cancer, liver cancer and rectal cancer. 9. All sequelae caused by electrotherapy and chemotherapy, such as dry throat, sore throat, swelling, constipation, hoarseness and nausea, have been significantly improved. 10, bird's nest tastes sweet and flat, nourishing yin and moistening dryness. It is a kind of nutritious and healthy food, which has the functions of health care and dietotherapy, and is a healthy food loved by the public. The classification of bird's nest can be divided into cave swallow and house swallow according to the nesting site in Jin Siyan. Dongyan: Swallows make nests in wild caves and coastal cliffs. The living environment of Siyan was destroyed because of early disorderly and indiscriminate mining and excavation. Now there are only bamboo ladders for picking in some caves in Thailand, and swallows have long been rare. With the scarcity of winter swallow production and the growing voice of environmental protection, it was gradually replaced by domestic swallow. Yanwu: From Dongyan to Wuyan, the nesting environment in Jin Siyan has changed, but the living habits have not changed. Jin Siyan is still wild. It goes out for food in the morning and comes back at night. Due to the artificial protection, Jin Siyan breeds more and more, and the built bird's nest is picked in time, with no loss of nutrients and better quality than Dongyan. According to color, it can be divided into: Blood Swallow, Yellow Swallow and Bai Yan. According to the specifications, it is divided into: Zhan Yan, Yan tiao, Yan Si, Yan Bing and Yan Sui. Nutritional components of bird's nest Modern medical research has found that the main components of bird's nest are: water-soluble protein and carbohydrates; Trace elements: calcium, phosphorus, iron, sodium, potassium and amino acids (lysine, cystine and arginine) play an important role in promoting human vitality. 1000g dried bird's nest contains 499g of protein, 429g of calcium, 306g of carbohydrate, 30mg of phosphorus, 0/04g of water and 49g of iron. Bird's nest has unique bioactive molecules, including protein, which is helpful to the growth, development and recovery of human tissues after illness. Carbohydrate is the main source of human body heat, which complements protein, so that protein can not only provide heat, but also promote fat metabolism; Epidermal growth factor and water-soluble substances contained in bird's nest can directly stimulate cell division, regeneration and tissue reconstruction, so that bird's nest plays a great role in nourishing and restoring human body. Calcium can enhance the coagulation ability of blood when the skin is damaged, and also help the human body absorb vitamin B12; ; Bird's nest is rich in minerals, active proteins and collagen, among which epidermal growth factor and water extract can strongly stimulate cell regeneration, division and tissue reconstruction. The efficacy of bird's nest is recorded in Compendium of Materia Medica: "Bird's nest is sweet in taste, flat in nature, nourishing lung and yin, resolving phlegm and relieving cough, and nourishing. It is a holy medicine to recuperate fatigue. Lung deficiency cannot eliminate all diseases, so it can be cured. " Traditional Chinese medicine believes that bird's nest: "nourishing yin and moistening dryness, benefiting qi and tonifying the middle warmer, treating physical weakness, coughing up phlegm and relieving asthma, hemoptysis and chronic dysentery, cough with excessive phlegm, chronic bronchitis, bronchiectasis, emphysema, tuberculosis, hemoptysis and vomiting blood, and stomachache. Modern medicine has found that bird's nest can promote immune function, delay human aging and prolong life. Generally speaking, bird's nest has the effect of health care: nourishing yin and moistening lung without dryness; Beauty care makes skin smooth, elastic and shiny; Supplementing qi and invigorating middle energizer, promoting blood circulation, improving digestion of stomach and absorption of intestine. Treat lung yin deficiency, cough, night sweats, hemoptysis, etc. Treating nausea and retching caused by deficiency of stomach qi and stomach yin; Treat qi deficiency, hyperhidrosis and polyuria. As a natural nourishing food, bird's nest can be eaten by men, women and children. ? From the perspective of sexual taste, bird's nest is flat and sweet; ? From the meridian tropism, bird's nest belongs to lung, stomach and kidney; ? From the efficacy point of view, bird's nest has five major effects: nourishing yin and moistening dryness, benefiting qi and tonifying the middle warmer, and caring skin. Bird's nest has high edible and medicinal value. According to the food composition table compiled by China Institute of Medical and Health Sciences and the bird's nest inspection co-authored by Professor Guan Peisheng and Professor Wang Runxiang of the Department of Biochemistry of the Chinese University of Hong Kong, bird's nest contains 49.9% protein, and contains a large number of bioactive protein molecules, as well as carrier fat, phosphorus, sulfur, calcium and potassium, which has the function of yin beauty. According to Zhao Xuemin's Compendium of Materia Medica in the Qing Dynasty, "Bird's nest can nourish lung yin, eliminate phlegm and relieve cough, and make it clear, which is a holy medicine to recuperate fatigue. All diseases of lung deficiency can't be cleared up by disciples, so this can be used to treat them. "According to expert research, bird's nest contains epidermal growth factor and auxiliary cell division components, which helps to stimulate cell growth and reproduction, promote human tissue growth, cell regeneration and immune function produced by cells. In addition, bird's nest also contains a lot of mucin, glycoprotein, calcium, phosphorus and other natural nutrients, which have the effects of moistening lung and dryness, nourishing kidney and yin, and tonifying deficiency, and can enhance the body's resistance to diseases and help resist colds, coughs and colds. Therefore, it is the most effective for smokers and people with respiratory diseases, and it is a pure and noble natural health care product. Bird's nest has a unique effect on moistening lung, strengthening waist, strengthening spleen and stomach, and stopping bleeding from trauma.