In the early stages of pregnancy, the hormonal changes in the body, especially the increase in estrogen, can lead to water and sodium retention in the body, not only on the surface, but also in the mucosa of the gastrointestinal tract, resulting in mild edema. Due to the changes in the mucosa of the gastrointestinal tract, the majority of women experience nausea, vomiting and loss of appetite at this time. However, some of them may also show an increased appetite, which is then the reason for the increased appetite. It is recommended that in early pregnancy diet must be enhanced nutrition, the principle of diet is one egg per day, one or two fish or one or two meat, one pound of fruit or one pound of vegetables, one pound of carbohydrates or one pound of noodles, and to drink a glass of milk every day, so that nutrition will be balanced.