The weather in winter is particularly dry, so it is absolutely indispensable for us to moisturize and protect our lungs in winter. So what do we need to eat in winter to moisturize and protect our lungs? Yam is a perennial herb with a cylindrical root, which contains a lot of starch and protein, vitamins, fats, choline and other nutrients, as well as inorganic salts such as iodine, calcium, iron and phosphorus, and some indispensable trace elements for human body. The formed mucus is a mixed product of polysaccharide and protein, which has a certain health care effect on human body and can tonify spleen and stomach, lung and kidney.

Lily is a perennial herbaceous spherical plant, which contains not only starch, protein, fat, calcium, phosphorus and iron, but also vitamin C, colchicine and other alkaloids. These alkaloids can not only provide good nutrition for human beings, but also have the functions of nourishing the heart, calming the nerves, moistening the lungs and relieving cough, which is very helpful for people who are weak after illness.

Tremella is a fungus of tremella, also known as fungus crown. Flat, a little sweet, light and nontoxic. Tremella fuciformis is not only a valuable nutrient, but also a good tonic for strengthening the body. Tremella is mostly white, which is more suitable for people with cold body or bad stomach. At the same time, it also has the function of moistening intestines.

Bees collect fructose from stamens of flowering plants, that is, honey in honeycombs. Honey contains not only glucose and fructose, but also a variety of vitamins, minerals and amino acids. Glucose and fructose in honey are the most easily absorbed substances by human body, and also contain a variety of inorganic salts, organic acids and trace elements, which are similar to the concentration of human serum, rich in nutrition and have the function of detoxification.