Folic acid measurement is commonly used to check the level of folic acid in pregnant women. Folic acid has more effects on pregnant women and can help them reduce the chance of fetal malformations and reduce fetal neural tube defects. In addition, moderate supplementation of folic acid can also reduce the symptoms of nausea, dizziness and vomiting in pregnant women, as well as effectively improve gestational hypertension and hyperlipidemia, which have adverse effects on pregnant women and fetuses. Folic acid measurement mainly checks whether there is any deficiency of folic acid in the human body and also detects whether the degree of absorption of folic acid is good in pregnant women. In case of impaired absorption of folic acid, doctors will formulate reasonable treatment measures for pregnant women based on the folic acid measurement value. Regular budget measurements have a positive effect on the health of the pregnant woman and her fetus, reducing the symptoms of fetal dysplasia and reducing the chances of adverse miscarriage.