The ratio of protein, fat and carbohydrates consumed during the weight loss period should be 1.5:3:5.5. It is best to reduce the intake of fat and carbohydrates when losing weight, as these two types of food are high in calories, and only by reducing the intake of calories can we lose weight. You can eat protein, vegetables and fruits, which are very low in fat and can reduce the body’s desire for food and can meet the body’s need for nutrients. The ratio of protein, fat and carbohydrates is to reduce the intake of calories, a reasonable mix of each day’s diet can promote fat metabolism, accelerate the burning of fat to make weight lighter. In each meal intake of food, to ensure that protein accounted for one-tenth of five, fat accounted for three-tenths, carbohydrates accounted for five-tenths of five, through a variety of calculations to arrive at the most scientific ratio.