To make small children smarter during pregnancy, it is recommended to always have balanced nutrition. It is important to eat more fresh vegetables and fruits, such as oranges, apples, dragon fruit, cherries, strawberries, cabbage, spinach, cabbage, etc., which are rich in vitamins and trace elements. In particular, you should eat more high-protein foods, such as fish, walnuts, lean meat, eggs, etc., which are beneficial to the development of the fetal brain. Usually, you should also get more sunshine, which is good for calcium absorption, to avoid the baby’s calcium deficiency affecting growth and development. In the first trimester of pregnancy, be sure to take oral folic acid tablets, one a day, to prevent fetal malformations. Never drink alcohol or coffee, and do not eat foods that activate blood such as cinnamon and chocolate.