Women who have not had children may also have diastasis recti separation. Possible causes include excessive abdominal fat or excessive exercise. 1. Excessive abdominal fat: the rectus abdominis is the two parallel muscles in the middle and sides of the abdomen, due to weight gain, the accumulation of abdominal fat, over time, the white line of the abdomen open, with the increase in daily activities, resulting in the separation of the rectus abdominis. It is recommended to lose weight first, and then through the rectus abdominis exercise to improve the disease. 2. Excessive exercise: The separation of the rectus abdominis is mainly caused by excessive stretching of the abdominal muscles, resulting in damage to the muscles and fascia. It is recommended to improve and recover through exercise therapy and neuromuscular electrical stimulation under professional guidance. It is recommended to exercise moderately because the recovery of diastasis recti is a gradual process.