Food for the lung refers to the food that can nourish lung qi and lung yin, and is suitable for the prevention and treatment of lung deficiency. The causes of lung Qi deficiency and Yin deficiency are prolonged cough and asthma, infection with scabies, overwork and injury, and prolonged illness. Lung deficiency is characterized by coughing, coughing phlegm, wheezing, or with short breath, low voice, bad wind and sweating, or with dry mouth and nose, little sputum and sticky, little urine and dry stool. Can be used as lung food in taking should be noted according to the condition, mainly the following kinds: 1, pear. Cool, flat, sweet, slightly sour, function to produce moisture and moisten dryness, clear heat and phlegm. Rich in water, sugar and a variety of vitamins and organic acids, to regulate the body’s acid-base balance has a certain role, has enhanced resistance to disease, throat protection, cough and phlegm, liver protection, digestion and other effects. 2, persimmon. Cold nature and sweet taste astringent, with lung moistening cough, clearing heat to quench thirst effect. Rich in sugar, a variety of vitamins and minerals and other nutrients, especially vitamin C and iodine content is high. Clinical studies have reported that persimmon has a sedative effect on the central nervous system, can suppress cough, 3, sugar cane. Cold nature and taste sweet, function to clear heat and produce fluid, moisten the lungs and lower gas. Studies have found that sugar cane contains a lot of water, sugar, a variety of amino acids and vitamins, organic acids and other components, and its function is mainly related to the nutrients contained in a variety of non-sugar parts. 4, silver fungus. It is mild and sweet in nature, nourishing Yin, moistening the lungs, nourishing the stomach and strengthening the brain. Its polysaccharide can significantly enhance cellular and humoral immunity, promote the synthesis of proteins and nucleic acids, stimulate the hematopoietic function of bone marrow, and have a certain hypolipidemic effect, so it has the function of supporting and strengthening the lungs and kidneys. 5, bird’s nest. It is flat and sweet in nature, nourishing Yin and moistening dryness, nourishing the lungs and replenishing the middle. It is rich in protein and a variety of amino acids and calcium, phosphorus, iron, magnesium and other minerals and colloids, its protein contains a hydrolyzed glycogen, which can promote the division of immune cells and enhance the body’s immune function. Is the ideal tonic for children, the elderly and rehabilitation patients, for generations regarded as “heavenly treasures”. 6, wood fungus. It is flat and sweet in nature, and has the function of benefiting qi and blood, moistening the lungs and calming the blood. The protein contained in the human body absorption rate is high and contains 8 kinds of essential amino acid composition, especially lysine, leucine is high, far beyond other foods; its polysaccharides contain anti-aging, enhance immune function and anti-tumor effects; its gum composition can digest fiber material, adsorption of waste in the intestine out of the body and has a clean detoxification effect. Another anticoagulation, lowering blood lipids, inhibit thrombosis, anti-atherosclerosis and other effects. 7, milk. The nature of the flat taste sweet, function of nourishing the lungs and stomach, the blood, laxative. Milk contains all the nutrients for human growth and health maintenance, so it is the most comprehensive and complete nutritional food. Milk contains all the essential amino acids and a variety of fatty acids with different degrees of saturation; its rich lactose content in the human small intestine, in addition to the decomposition of glucose for fast absorption, but also conducive to the synthesis of intestinal nutrients and maintain the normal flora state, and its rich in calcium, phosphorus, magnesium, zinc and other minerals easy to absorb; in addition to a variety of fat-soluble and water-soluble vitamins. Milk because of its rich and comprehensive nutrients, so it has excellent tonic strength and fitness function. 8, other foods. Still have white fruit, tofu, walnuts, peanuts, eggs, honey, etc., on the lung Qi deficiency or Yin deficiency have a certain tonic effect.