Foot cramps in pregnant women in late pregnancy are considered to be caused by exertion and hypocalcemia, and can be improved by proper rest and treatment of hypocalcemia. 1. Proper rest: the growing uterus in late pregnancy presses on the lower limbs and makes it easier for pregnant women to get tired. Pregnant women should rest as much as possible during this period. When walking outside, choose suitable shoes, pay attention to the lower limbs to keep warm, do not sit or walk for a long time. 2. Treatment of hypocalcemia: Pregnant women should have their blood calcium checked, and if they are diagnosed with hypocalcemia, they can use calcium gluconate oral solution and other calcium supplements under the guidance of doctors. Usually eat more calcium-rich food, such as milk, eggs, fish, etc., and pay attention to more sunshine to promote calcium absorption. In addition to the above reasons, pregnant women with leg cramps in late pregnancy may also be caused by other reasons, it is recommended that when the symptoms of cramps, timely medical attention to clarify the cause. Pregnant women should have regular checkups, and if there is any abnormality, seek medical treatment in time.