Recently, it has been found that some pregnant women have an unbalanced diet during pregnancy, leading to the occurrence of anemia, which in severe cases can lead to the occurrence of adverse conditions such as fetal growth restriction, fetal hypoxia and preterm delivery. Therefore, briefly introduce the key points to prevent anemia during pregnancy. Anemia during pregnancy is a gradual development process that goes through the decrease of iron or folic acid reserve in the body and abnormalities in the body metabolism before finally causing the occurrence of deficiency anemia. Therefore, anemia during pregnancy can be prevented, and a reasonable diet is one of the very important measures. 1, eat more iron-rich food From the 20th week of pregnancy, the maternal total red blood cell expansion accelerates, the fetal development needs increase, the early pregnancy reaction disappears, we should try to eat more food rich in iron, folic acid or vitamin b12. Foods that contain a lot of iron, such as blood tofu and animal liver, can be eaten 2 to 3 times a week. You can also often eat some lean meat; black fungus, kelp, nori, shiitake mushrooms, eggplant, spinach, soy products and egg yolk, etc. also contain more iron, can often eat. 2, food should be diverse, not picky, partial food Eat more fruits and vegetables rich in vitamin c, can help the absorption of iron. Professional women who do not have time to cook, can bring some of their favorite, beef jerky, milk, fruit, etc. to work. Between the three meals to supplement some snacks, is also not lost a good way to supplement iron. 3, eat more high-protein foods in the middle and late stages of pregnancy Fetal development increases rapidly in the middle and late stages of pregnancy, as long as the weight does not exceed one pound per week, we should eat more high-protein foods, such as milk, fish, eggs, lean meat, beans, etc. These foods have a good effect on the treatment of anemia, but pay attention to the combination of meat and vegetables, vegetables and fruits should also keep up, so as to avoid excessive consumption of greasy things cause indigestion. In addition, avoid over-cooking and over-nutrition, and pay attention to the supplementation of vitamin B1, vitamin B6 and animal protein, etc. It is recommended to take ferrous sulfate 300 mg or iron dextran 150 mg orally daily after the middle of pregnancy, which can well prevent the occurrence of anemia during pregnancy. Once anemia in pregnancy is identified, it should be treated under the guidance of a doctor.