Fruits and vegetables containing folic acid are commonly found in strawberries, avocado, citrus, mango, papaya, oilseed rape, string beans, asparagus, coriander and cilantro. Every 100 grams of strawberries contain 24 micrograms of folic acid, every 100 grams of avocado contains 81 micrograms of folic acid, every 100 grams of citrus contains 39 micrograms of folic acid, every 100 grams of mango contains 43 micrograms of folic acid, every 100 grams of papaya contains 37 micrograms of folic acid. Oilseed rape contains 103.9 micrograms of folic acid per 100 grams, bean curd contains 168 micrograms of folic acid per 100 grams, asparagus contains 149 micrograms of folic acid per 100 grams, Chrysanthemum coronarium contains 177 micrograms of folic acid per 100 grams, and cilantro contains 180 micrograms of folic acid per 100 grams. Folic acid is a water-soluble vitamin that participates in the synthesis of human hemoglobin, adrenaline and choline, etc. It mainly has the functions of preventing fetal neural tube malformation and megaloblastic anemia. There are many other fruits and vegetables that contain folic acid. Clinically, folic acid can be supplemented by eating foods rich in folic acid and taking oral folic acid tablets as prescribed by the doctor, and it is recommended that folic acid be supplemented reasonably under the guidance of the doctor.