A little numbness and swelling of the lower legs after cesarean section may be caused by the effect of postoperative anesthesia, postpartum blood clots, calcium deficiency and other reasons. 1. When the effect of anesthesia after cesarean section does not subside completely, there may be a feeling of numbness and swelling of both lower limbs, which is a normal phenomenon, and with the passage of time, it will be relieved on its own without special treatment. 2. Postpartum thrombosis: the symptoms of swelling and numbness of the lower legs after cesarean section may be caused by postpartum thrombosis, mainly deep vein thrombosis of the lower limbs, in addition to the symptoms of numbness of the legs, there are also symptoms of swelling and pain in the legs, which may even be life-threatening in serious cases. 3. Calcium deficiency: after delivery, due to maternal consumption of more energy, the body is weaker, coupled with the need to breastfeeding after delivery, the body’s calcium loss is obvious, there may be numbness in the calves, swelling symptoms, can be relieved by local massage, calcium supplementation. If numbness and swelling of the calves occur after cesarean delivery, it is recommended to consult a doctor in time, improve the relevant examination, clarify the cause of the disease, and symptomatic treatment.