Rectus abdominis muscle separation four years after delivery can be repaired, patients need to follow the doctor’s advice and reasonable treatment. Usually, the separation of rectus abdominis muscle is mainly due to the gradual increase of uterine volume, which leads to the over-extension of rectus abdominis muscle, and is also related to cesarean section, high birth weight of newborns, and multiple pregnancies, etc. Most patients have a good prognosis after proper treatment. And most patients have a better prognosis after appropriate treatment. Even four years after delivery, it can be repaired after taking reasonable treatment. Usually, patients can be treated by manipulation assistance therapy, abdominal breathing pattern training, abdominal and pelvic floor muscle training and other exercise therapies under the guidance of doctors, and some patients can also be paired with neuromuscular electrical stimulation therapy. If the patient’s condition is more serious, abdominal fascia folding, rectus abdominis muscle separation repair, abdominoplasty can also be performed according to the doctor’s instructions. At the same time, patients need to pay more attention to nutritional management and reasonable exercise, which is helpful to the recovery of the disease. It is recommended that patients with four years of postpartum rectus abdominis muscle separation consult a doctor in a timely manner, under the guidance of the doctor to carry out targeted treatment can be repaired.