The best time to take folic acid is usually the first 3 months of pregnancy and the first 3 months of pregnancy, and it is usually recommended to take it about 1-2 hours after breakfast. Folic acid is a water-soluble vitamin that can prevent neural tube malformations in the fetus. If you are preparing for pregnancy, it is recommended that you start taking folic acid orally in the first trimester of pregnancy and continue to take it until the first trimester of pregnancy, and then go to the hospital to review your risk level of folic acid to see if you need to continue taking it. If you eat a balanced diet and are in good physical condition, there is usually no need for special folic acid supplementation. Folic acid is irritating to the stomach and intestines. Taking folic acid about 1-2 hours after breakfast can reduce gastrointestinal irritation and is beneficial to the absorption of folic acid. During the period of oral folic acid, it is necessary to pay attention to a balanced diet, avoid eating spicy and stimulating food, quit smoking and drinking, and use other drugs with caution. At the same time, pay attention to regular work and rest, avoiding fatigue, stay up late, keep a happy mood, and regular review.