Eggs as a food has a very high nutritional value, can supplement the body with protein, fat and other nutrients, but there is no drug effect. 100 grams of eggs contain 143 calories, of which 0.72 grams of carbohydrates, 12.56 grams of protein, 9.51 grams of fat, vitamin A160IU, 56 milligrams of calcium and 1.75 milligrams of iron. Eggs are rich in high-quality protein, which is very similar to the composition of human proteins, the body’s absorption rate of egg protein is particularly high; eggs are also rich in amino acids, which can supplement the body’s essential amino acids; eggs in the fat is mainly found in the yolks, which is also very easy to be digested and absorbed by the human body. In addition, egg yolks are rich in lutein, lecithin, sterols, calcium, iron, phosphorus, B vitamins, vitamin A, vitamin D and other substances, which are indispensable to the human body. Although eggs are rich in nutritional value and have many benefits for the human body, they should not be eaten more often to avoid causing gastrointestinal indigestion and increasing the burden on the liver and kidneys.