Sore legs of pregnant women are mostly normal, usually appearing in the middle and late stages of pregnancy, and can be relieved by calcium supplementation, improvement of activity habits, and hot massage. 1. Calcium supplement: It is recommended to start supplementing calcium from mid-pregnancy, because at this time, the rapid growth and development of the fetus, calcium demand increases, if you do not supplement calcium in a timely manner, it will be due to a lack of calcium and sore feet. In addition, it is also recommended that pregnant women get more sunlight to promote calcium absorption. 2. Improve activity habits: If you are in the middle or late stages of pregnancy, the increase in weight will lead to an increase in the burden on the legs and feet, so do not stand or walk for a long time, it is best to alternate between sitting or standing. 3. Hot massage: pregnant women can massage the legs in late pregnancy, especially the calves, while warm towels can be used to hot compresses or foot soak, thus promoting blood circulation in the legs, and then relieve leg pain. Therefore, pregnant women with sore feet should not worry too much, can be effectively relieved by the above methods.