The performance of larger feet after delivery may be due to physiological edema of maternal feet, and may also be due to kidney disease, lower limb venous thrombosis and other factors. 1, normal performance: many pregnant women from the middle of pregnancy began to appear physiological edema, will be associated with support for larger feet, after delivery, with urination and a lot of sweating, the body excess water drainage, so that the edema symptoms of the whole body recede, but compared to other However, compared with other parts such as the face and abdomen, the edema of the feet may be slower to subside, thus making pregnant women feel that their feet are enlarged after pregnancy. Generally no special treatment is needed, the feet can gradually return to normal size; 2, abnormal performance: some mothers who have poor kidney function and metabolism, prenatal venous compression of the lower extremities to produce thrombosis, bleeding during delivery or rheumatism, etc., can lead to poor blood circulation and blood stagnation in the feet, which can make the feet become larger after delivery. It is recommended to seek medical attention in a timely manner, to conduct kidney ultrasound, cardiac ultrasound and blood tests to investigate the condition, and to provide timely and symptomatic treatment after clarifying the cause. In addition, pregnant women need to pay attention to avoid prolonged leg sagging, or bed-ridden situation, daily foot soak, appropriate massage legs, moderate exercise. A reasonable diet, eating more vegetables and fruits and reducing the consumption of high protein food can effectively relieve swelling. After delivery, pay attention to a light diet and drink more warm water to promote the detoxification and metabolism of the body.