During pregnancy, as the fetus grows up, the abdominal skin will gradually swell, the skin will relax and stretch marks will appear. After the delivery of the postpartum fetus, the pressure in the abdominal cavity will drop obviously, and the abdominal skin will relax, so the parturient need not worry too much. After delivery, abdominal muscle training can be restored through certain massage. However, due to the existence of abdominal wound, the abdominal activity of caesarean section women is limited, especially within 3 months after delivery, so abdominal muscle training should be avoided. Within 3 months, you can consume body heat by increasing physical activity, and you can reduce fat and abdomen. It can also massage the skin, help the skin recover its elasticity and improve the shape of the stomach. Don't overeat for breastfeeding, but proper diet control can also reduce your stomach.