Pregnant women can usually take iron supplements through diet and medication, and the fastest way is to take oral iron supplements. 1. Diet: If the iron deficiency of pregnant women is not too serious, you can eat more iron-containing foods, such as black fungus, beef, pork liver, lean meat, etc.; you can also eat more vitamin C-rich foods, such as bananas, apples, tomatoes, etc., to promote the absorption of iron, and gradually achieve the purpose of iron supplementation. 2. Drugs: If the iron deficiency of pregnant women is more serious, and through the above diet can not achieve the effect of iron supplementation, at this time the general need for oral medication under the guidance of a doctor for iron supplementation, such as ferrous sulfate tablets, ferrous lactate capsules and so on. In addition, it is also recommended that pregnant women pay attention to rest in their daily lives, rationalize their work and rest schedules, ensure sufficient sleep, and eat a balanced and nutritious diet, do not pick and choose what to eat, so as to avoid the occurrence of iron deficiency.