The treatment of leg pain in late pregnancy needs to be targeted according to different causes. If the pain is caused by frequent cramps in the calf, it is considered to be caused by cold and faster fetal development in late pregnancy, resulting in calcium ion deficiency, which leads to higher muscle excitability, plus sleeping cold at night, which can easily lead to leg cramps and muscle damage that can cause muscle pain, and it is recommended to take calcium supplementation treatment in time, such as taking calcium carbonate D3 tablets for treatment. In addition, due to the development of the fetus during pregnancy, coupled with changes in the hormone levels in the pregnant woman’s body during pregnancy, resulting in the connection of the pelvis becomes relatively have a certain range of motion. In addition, some pregnant women will have a separation of the pubic symphysis in late pregnancy, which will cause pain in the thighs and thigh roots radiologically, and it is generally not recommended to use medication clinically. It is recommended to reduce the amount of activity and use hot towels locally to relieve the pain.