The benefit of an egg a day is that it can replenish energy, protein, carbohydrates, vitamins, minerals and other substances, while an egg a day usually has no obvious disadvantages. Egg is a very common food in life, its nutritional value is relatively rich, per 100g is rich in cholesterol 585mg, protein 13.3g, cholesterol and protein content of similar foods in the front. In addition, it also contains 8.8g of fat, 144kcal of energy, 162μg of vitamin A, and 131.5mg of sodium, 56mg of calcium, 154mg of potassium and other minerals, which can provide raw materials for cellular metabolism while supplying energy to the body. Eating one egg a day can help your body absorb nutrients and replenish the energy it needs. And an egg usually does not cause too much burden on the stomach and intestines, and there is usually no significant harm. However, for patients with high blood lipids, it is not recommended to have one egg a day for a long time to avoid excessive cholesterol intake.