Generally speaking, 6~8 weeks after giving birth to a child can begin to carry out appropriate exercise to lose weight. 1. normal delivery: if the patient is normal delivery, and the body recovers well, generally about 6~8 weeks to be able to exercise to lose weight, because at this time the mother has passed the puerperium, the body has gradually returned to the prenatal state. 2. Cesarean section: for cesarean section patients, generally need a longer recovery time, premature exercise to lose weight, is not conducive to the recovery of wounds, easily lead to wound rupture and other adverse injuries. It is recommended that after giving birth to a child, the amount of exercise should be from less to more, from light to heavy, step by step, avoid strenuous activities. If after the exercise, the maternal abdomen persists pain and other symptoms, it is recommended to consult a doctor in time, under the guidance of the doctor, improve the relevant examination, to clarify the cause of the disease, symptomatic treatment.