You can soak your feet in hot water during pregnancy, but you should also check to see if the swelling is caused by high blood pressure or kidney disease, for example. Swollen feet during pregnancy may be due to the gradual enlargement of the fetus in the uterine cavity, the uterus is overstuffed and compresses the inferior vena cava, resulting in obstruction of reflux, which leads to the symptoms of swollen feet. At this time, the use of hot water foot bath can promote blood circulation to improve the symptoms of swollen feet. When soaking feet need to pay attention to the water temperature to avoid too high, so as not to burn the skin, soak feet time should not be too long, it is recommended that half an hour or so. In addition, high blood pressure during pregnancy or severe anemia, kidney disease can also lead to swollen feet during pregnancy, foot soaking can also relieve the symptoms of swollen feet, but can not play a fundamental role in the treatment, need to eliminate the cause of the swollen feet to improve the phenomenon. For example, take nifedipine tablets to lower blood pressure, take ferrous sulfate to correct anemia. Swollen feet during pregnancy can use hot water to soak the feet, usually also pay attention to avoid standing for a long time, can be appropriate to elevate the lower limbs, low-salt, low-fat diet.