After 4 ~ 6 weeks of natural delivery, mother can start to do postpartum slimming exercise, and cesarean section needs 6 ~ 8 weeks or longer recovery period. Postpartum sports meeting of cesarean section mothers is more dangerous. One month after delivery, if you recover quickly, you can start doing some sit-ups and leg lifts in bed to exercise your abdominal muscles and waist muscles, and you can also reduce the fat in your abdomen and buttocks. Pay attention to a reasonable diet.