Duck meat: it is flat in nature, sweet and salty, and can nourish yin and stomach. Materia Medica says "nourishing yin and eliminating steaming". "Life Taste Diet Spectrum" claims that it can "nourish the yin of the five internal organs, clear the heat of deficiency and fatigue, nourish the stomach and produce fluid". Folk also believe that duck meat is the most ideal tonic, suitable for yin deficiency. Pork: it is flat, sweet and salty, and has the function of nourishing yin and moistening dryness. Wang Mengying, a physician in the Qing Dynasty, said: "Pork nourishes the kidney, supplements gastric juice, nourishes the liver and yin, moistens the skin and quenches thirst." Compendium of Materia Medica also states: "Pork tastes profound, moistens the stomach, produces essence and nourishes the skin." So it is also suitable for people with yin deficiency constitution. Eggs: flat and sweet, whether egg white or yolk, can not only benefit qi and nourish blood, but also nourish yin and moisten dryness. Eggs are considered as good food in protein by the medical profession, among which ovalbumin, ovoglobulin and ovophosphorus are all protein. People with yin deficiency should eat properly, especially eggs and soybeans. If people are used to eating eggs and soy milk together, it will be more beneficial. Milk: it is flat and sweet. It is not only nutritious, but also has the effects of nourishing yin, promoting fluid production and moistening dryness. Doctors in past dynasties highly praised the function of nourishing yin of milk, or called it "moistening muscles to quench thirst", "moistening skin" and "moistening large intestine", or called it "moistening five internal organs" and "nourishing body fluid". Anyone whose constitution belongs to yin deficiency should eat it regularly, which has many benefits. Turtle: it's flat and sweet. It has the function of nourishing yin and cooling blood. It is a good tonic and the best food for people with yin deficiency. Compendium of Materia Medica says that it can "cool blood and nourish yin". "Living with Interest" also thinks that soft-shelled turtle can "nourish the yin of liver and kidney and clear away the heat of fatigue". Therefore, soft-shelled turtle is more suitable for people with yin deficiency and blood heat, yin deficiency and excessive fire, and bone steaming. The turtle's back shell, also called tortoise shell, also has the function of nourishing yin and enriching blood, and is also suitable for people with yin deficiency. Nail fish: flat in nature, sweet and salty in taste, can nourish yin and replenish blood, and is suitable for people with yin deficiency. "Compendium of Medical Forest" once said that it can "treat the symptoms of bone steaming and fatigue, yin deficiency and blood heat". Tortoise shell or tortoise shell glue, processed from tortoise shell, also has the effect of nourishing yin and enriching blood, and people with yin deficiency should also take it. Scallop: Also known as Hema, it is a kind of seafood. It is flat, sweet and salty, and can nourish yin and tonify kidney. The theory of seeking truth in materia medica can "nourish true yin" Materia Medica is called "Curing thirst" again. Scallop is a kind of high-protein food, with tender meat and delicious taste, so people with yin deficiency should often stew with scallop, which is the most beneficial. Sea cucumber: It has the functions of nourishing yin and blood, nourishing essence and moistening dryness. "Test of Medicinal Properties" says that it "reduces fire and nourishes kidney". There is also a saying in "No Food": "Sea cucumber nourishes kidney and produces essence, which is beneficial to essence." Wang Mengying, a food doctor in Qing Dynasty, thought that sea cucumber could "nourish yin, enrich blood and moisten dryness". Sea cucumber is a kind of high-protein and low-fat seafood treasure, which can tonify and nourish yin. People with yin deficiency should eat it regularly. Clam: cold in nature, salty in taste, nourishing yin and resolving phlegm, soft and firm. Ancient physicians believed that "clams and clams work together to nourish yin and improve eyesight". Miao Xiyong of Ming Dynasty once pointed out: "Clams nourish body fluids, so they can moisten the five internal organs, quench thirst and stimulate appetite." It can be seen that patients with yin deficiency constitution or yin deficiency, including diabetes, Sjogren's syndrome, tuberculosis, tumor diseases, etc., should be properly eaten. Mytilus meat: rich in protein and vitamins, it has the effects of nourishing yin, clearing away heat and improving eyesight. Wang Qing Meng Ying also thinks that mussel meat can "clear heat and nourish yin, nourish liver and cool blood". People with yin deficiency often eat clam stew, which is the most suitable. Squid fish: it is flat in nature and salty in taste, which can enrich blood and nourish yin. "Yi Lin Bian" once said that it can nourish blood and nourish yin. Huang Gongxiu, a physician in the Qing Dynasty, also said: Squid fish is "yin in nature, nourishing blood in the liver and nourishing water in the kidney." For people with liver and kidney yin deficiency, it is best to eat.