Weak folic acid metabolism can be caused by a number of reasons: First, when drinking alcohol for a long time causes chronic alcoholism, which affects the amount of folic acid metabolism causing weakness and can affect health. Second, oral contraceptive drugs, frequent oral intake will interfere with the endocrine hormones in the body, will affect the plasma metabolism of folic acid, there will be a weaker metabolism of folic acid, and even the existence of megaloblastic anemia. This time to take a certain amount of oral folic acid to supplement the body’s needs, if already pregnant to increase the dose of oral folic acid to stabilize the fetus, to avoid the chances of fetal neural tube abnormalities, in ordinary times to eat more green leafy vegetables to ensure the health of the body.