The efficacy and function of egg white is that it can provide the human body with a certain amount of energy, and to a certain extent, it can replenish the nutrients that the human body lacks, and there is no special role in treating diseases. Every 100 grams of egg white contains 60 calories, 11.6 grams of protein, 3.1 grams of carbohydrates, fat and cholesterol content is low, can provide the human body with a certain amount of heat to maintain the body’s normal life activities. In addition, egg white also contains vitamin B1, vitamin B2, niacin and other vitamins, as well as calcium, phosphorus, potassium and other minerals, to a certain extent, for the human body to replenish the consumption of nutrients. Egg white is an ordinary food, except for replenishing energy and required nutrients for the human body, there is no other special treatment of disease efficacy and effect. Compared with whole egg, egg white is lower in fat and cholesterol, which makes it more suitable for people who need to limit their fat and cholesterol intake, such as those with hypercholesterolemia. Although egg white is rich in nutrients, it should not be consumed in excess to avoid gastrointestinal discomfort.