Rectus abdominis muscle separation of 2 fingers, mostly occurs after delivery, usually can be recovered by itself, usually do not need to repair; if the rectus abdominis muscle is still in the state of separation within 2 years after delivery, it is recommended to carry out appropriate rehabilitation training under the guidance of professional doctors. 1. No need to repair: when a woman is pregnant, the uterus increases in size as the fetus develops, and the rectus abdominis muscle may be separated at this time. If the phenomenon of rectus abdominis muscle separation is found when checking the body 1~2 months after delivery, there is no need to worry too much at this time, with normal breastfeeding, normal life, as well as pay attention to the nutritional matching reasonable, usually can be recovered by itself. In addition, under the guidance of the doctor, abdominal core training, abdominal breathing training, etc., to help speed up the recovery, but the training should be gradual, according to the amount of effort, while avoiding physical labor, so as not to affect the postpartum recovery. 2. Need to repair: If the rectus abdominis muscle is separated by more than 2 fingers after delivery and has not been improved by exercise within 2 years after delivery, it may lead to low back pain, constipation, loose abdomen, etc., which can be repaired after doctor’s evaluation. Commonly used methods include abdominal muscle training, neuromuscular electrical stimulation therapy, and surgical treatment with abdominal fascia folding and rectus abdominis muscle separation repair depending on the severity of the separation. In the case of rectus abdominis separation, it is recommended to visit the hospital and take the right way to repair the exercise after evaluation by a professional doctor.