Diet during pregnancy has always been an important aspect for many mothers, because it is not only related to the health of the baby, but also has an impact on his intelligence, physique and many other aspects. Because of this, some people believe that pregnant women should take a lot of nutrition during pregnancy in order for their babies to get more nutrients. However, is it really necessary to do so? In fact, there is a relatively scientific guidance for pregnant women’s diet during pregnancy very early on. To ensure that the fetus can develop properly, it is necessary to ensure a balanced nutrition in the first place. The nutrients contained in each kind of food are different, like grains, fish, eggs and milk, vegetables, etc. all have their corresponding nutrient focus, so the mother should not reject a certain kind of food during pregnancy just because she doesn’t like it, so that the nutritional balance is broken. The more you do the balance, the better. First of all, only a portion of the food a pregnant woman eats can be absorbed by the fetus, and if she takes in too much, all the surplus nutrients will turn into fat and accumulate in her body. In fact, in order to ensure that the fetus can get enough nutrients, most mothers have to consume more food, so they have to face postpartum obesity, and in addition to the impact on the mother herself, too much intake is not necessarily good for the baby. Dr. Wu Liangping, director of weight loss and metabolic surgery at Youdao Group, pointed out that from many studies on adolescent obesity, there is a relationship between the birth weight of babies and adolescent obesity. According to the survey, if the birth weight is thin, the infant’s physique may be slightly worse, and more attention should be paid to its health during infancy, but if it is too heavy, the probability of becoming fat in adolescence time will also be higher, which will have an impact on their physical health. And one of the important factors affecting the baby’s birth weight is the mothers’ diet during pregnancy.