Yam, although not surprising in appearance, is beneficial to kidney qi, strengthen bones and muscles, strengthen spleen and stomach and help sleep. This is a cheap and good food. Yam contains a lot of starch, protein, B vitamins, vitamin C, vitamin E, glucose, crude protein amino acids, bile alkali and so on. Among them, yam soap is an important nutritional component and an effective substance for synthesizing female hormones, which has the effects of nourishing yin and strengthening yang, enhancing metabolism, enriching blood, cooling and annealing, invigorating qi and lung, and consolidating kidney. Yam is a natural slimming food for our female compatriots who love beauty. It is rich in fiber, which will make them feel full after eating, thus controlling their appetite. It can be used as a food with high nutrition and low calorie, and you don't have to worry about getting fat if you eat too much.

Besides protein, fat and vitamins, ribs also contain a lot of calcium phosphate, collagen and bone mucin, which can provide calcium for children and the elderly.

Therefore, it is suitable for drinking in winter, and the two can complement each other.