In different individuals, the recovery time of the stomach after delivery is not exactly the same, the maternal body type is thin and normal weight, the postpartum recovery speed is faster, may be in the postpartum 1-3 months or so, the abdomen can return to the state before the birth of a child. Women who are fat, overweight or obese will recover more slowly after childbirth, and may return to their pre-pregnancy state after six months, or even their abdomen may not return to normal for many years. In order to promote the recovery of the postpartum body shape, as soon as possible to make the large abdomen shrink, in the postpartum should be properly controlled diet, reduce the intake of animal fat, fried, fried food, all kinds of sweets, all kinds of processed food. Increase the diet rich in dietary fiber food, such as sweet potatoes, cucumbers, carrots, early physical exercise within the ability, such as sit-ups, brisk walking, postpartum yoga, etc.