From a nutritional point of view, in order to ensure a balanced diet, to meet the needs of the body, without over-nutrition, in general, the elderly to eat 1 to 2 a day is better. For young people and middle-aged people, engaged in mental labor or light physical labor, eat 2 eggs a day is also more appropriate; engaged in heavy physical labor, consumption of nutrients can eat 2 to 3 eggs a day; teenagers and children, due to the growth of the body, the metabolism is fast, you can also eat 2 to 3 a day. Pregnant women, women in labor, lactating mothers weak body and the implementation of major surgery recovery patients, due to the need to increase the good protein, you can eat 3 to 4 eggs a day, but should not be more.