The best time for postpartum rehabilitation is 42 days after delivery, that is, 42 days after delivery, you should go to the local perinatal health clinic for gynecological examination and pelvic ultrasound examination, if there is no vaginitis and vaginal bleeding, and then perform pelvic floor muscle screening and rectus abdominis muscle separation examination. The pelvic floor muscle screening is to determine the recovery of the pelvic floor muscle, and if the muscle strength is not good, pelvic floor muscle rehabilitation treatment should be done. If there is a separation of the rectus abdominis muscle, you should also do the rehabilitation of the rectus abdominis muscle, especially if you have urinary retention at the time of delivery and stress urinary incontinence after delivery, such as coughing or jumping when leaking urine, you should do the rehabilitation of the pelvic floor muscle in 42 days after delivery, do not miss the best time to recover the pelvic floor muscle is 42 days after delivery.