You can eat high-protein foods, iron-supplemented foods, and nutritious vegetables and fruits, especially those containing folic acid, during the first trimester of pregnancy. In the first trimester of pregnancy is the best time for the development of the fetus, it is important to pay attention to nutritional balance, more protein food, such as walnuts, fish, eggs, lean meat, soy products, which is conducive to fetal brain growth and development. Eat more iron-supplemented foods such as egg yolk, red dates, black fungus, prevention and treatment of anemia. Foods containing folic acid, such as nuts, grapes, dark green vegetables, etc. For pregnant women with poor appetite and severe pregnancy reaction, they can take folic acid tablets directly, one tablet a day in the first trimester to prevent congenital neural tube abnormalities in the fetus. It is recommended not to abuse drugs and to avoid exposure to substances with radiation.