1, Beef (fat and thin): Beef is rich in protein, and its amino acid composition is closer to the needs of human body than pork, which can improve the disease resistance of human body, and it is especially suitable for people who are recuperating after surgery and disease in terms of blood loss and tissue repair. Eating beef in cold winter can warm the stomach, which is a good tonic this season; Beef has the effects of invigorating middle warmer, invigorating qi, strengthening spleen and stomach, strengthening bones and muscles, resolving phlegm, quenching wind, and quenching thirst. It is suitable for people who are hidden in the middle, short of breath, weak in body, weak in bones and muscles, anemia for a long time, and yellow and dizzy.

2. Yam: Yam contains nutrients such as saponin, mucus, choline, starch, sugar, protein, amino acids, vitamin C, and various trace elements. Rich in content and nourishing, it is a good food for recovery after illness. Yam can promote the proliferation of T lymphocytes, enhance immune function and delay cell aging. Eating yam regularly can prolong life. Mucopolysaccharides in yam can form bones and make cartilage elastic. It is rich in vitamins and minerals, relatively low in calories and almost free of fat, so it has a good slimming and bodybuilding effect. Mucin contained in yam can prevent fat deposition in cardiovascular system and prevent arteriosclerosis. Eating yam can also increase human T lymphocytes, enhance immune function and delay cell aging.