Women usually do not need to take nutritional supplements specifically during pregnancy, but if they experience severe vomiting and are unable to eat, they can take nutritional supplements under the direction of their doctor. Nutrient supplementation for pregnant women can not only replenish the nutrients needed in the pregnant woman’s body, but also stabilize electrolytes and provide energy for the patient. When the pregnant woman’s discomfort improves, she should pay attention to a balanced diet and eat more foods rich in protein and minerals to provide sufficient nutrients for the growth and development of the fetus. However, if supplementation is needed, it is best to do so under the guidance of a doctor to avoid buying informal products on your own or blindly supplementing, which may cause adverse consequences instead. During pregnancy, pregnant women should also pay attention to monitor the fetal movement, if pregnant women have uncomfortable symptoms, it is recommended to seek medical advice in a timely manner, under the guidance of the doctor, improve the relevant examination, to clarify the cause of the disease, symptomatic treatment.