1. The calorie of a boiled egg is 144 calories, which contains 2.8 grams of carbohydrate, 8.8 grams of fat, 13.3 grams of protein, 234 micrograms of vitamin A, E 1.84 milligrams of vitamin E and 585 milligrams of cholesterol. It also contains major trace elements: calcium 56 mg, potassium 154 mg, phosphorus 130 mg, iron 2.0 mg and sodium 13 1.5 mg.

2. Boiled eggs have the effects of nourishing the heart, calming the nerves, nourishing blood and nourishing yin, and moistening dryness, and can be generally eaten, especially suitable for infants with weak constitution, malnutrition, anemia, postpartum illness and development. Elderly patients with hypertension, hyperlipidemia and coronary heart disease should not eat too many eggs. They can eat a small amount of eggs, but not more than one every day, which not only supplements the high-quality protein, but also does not affect the blood lipid level. People with high fever, diarrhea, cholecystitis, hepatitis and gallstones should try to avoid eating eggs.