In general, folic acid tablets do not limit the time of use, but in view of the metabolism of the organism, it is better to take folic acid tablets in the morning. The absorption rate is higher in the morning, and in the morning our body’s metabolism is faster, which is conducive to the absorption and metabolism of folic acid. It is recommended to take it half an hour after breakfast to avoid the drug stimulating the stomach and intestines. It is best to take folic acid supplements at regular intervals throughout the day, so that blood folate levels in the body maintain effective concentrations and do not fluctuate significantly. Folic acid and other medications are required during the preparatory period and the second trimester of pregnancy to prevent fetal neural tube malformations. Tea should not be consumed when taking folic acid, as the tannins in tea will affect the folic acid’s ability to exert its medicinal effects. If the patient is preparing for pregnancy or already pregnant need to take folic acid tablets, it is recommended that the patient under the guidance of a doctor, avoid private use of drugs to avoid causing adverse reactions.