There is no fast clinical method to replenish amniotic fluid. Pregnant women can generally replenish amniotic fluid through diet, intravenous fluids, and amniotic fluid infusion. During pregnancy, pregnant women can replenish amniotic fluid by drinking more water and soy milk. You can also increase the intake of fresh fruits and vegetables, such as apples, kiwis, pears, radishes, tomatoes, etc. The water contained in the food also helps to replenish the body water or amniotic fluid. It is important to note that foods do not have special effects and their ability to replenish water or amniotic fluid is limited. If the dietary approach is not effective, then you can seek medical advice to replenish water through intravenous infusion, which is mostly glucose and saline. In addition to the above measures, pregnant women can also seek medical attention to increase the amount of amniotic fluid through amniotic fluid infusion directly into the cavity. If the low amniotic fluid is clearly caused by fetal malformation, any method of amniotic fluid replacement is ineffective and the pregnancy should be terminated actively. In clinical practice, it is recommended that those who have the need for amniotic fluid supplementation should undergo further detailed examination to detect fetal malformations and other abnormalities. Daily attention should be paid to the rationality of diet, strengthening personal hygiene care, and preventing intrauterine infections.