A three-finger rectus abdominis separation requires treatment. Normal rectus abdominis separation should not be more than two fingers, and three fingers means excessive separation of the rectus abdominis. The separation of the rectus abdominis muscle is a symptom that develops mainly after childbirth, which may be caused by the lack of reasonable rest after the operation or infection, and has a greater impact on daily life. Excessive separation of the rectus abdominis muscle can easily lead to flaccidity of the abdominal wall, and even cause anterior convexity of the lumbar vertebral joints, which usually leads to obvious symptoms such as low back pain and urinary leakage. Rehabilitation training can be tried to recover, try to exhale by drumming the stomach, lie flat on the bed and raise the small abdomen. If the patient’s rectus abdominis muscle is missing more than three fingers, and at the same time there is a combination of laxity of the skin of the abdominal wall, difficult to relieve the low back pain, all need to be surgically repaired to repair the rectus abdominis muscle gap, or the muscles of the anterior abdominal wall are sutured and fixed to carry out surgical repair and treatment. The rectus abdominis muscle separation of three fingers, need to improve the relevant examination under the guidance of the doctor to clarify the diagnosis, and need to standardize the treatment, so as not to delay the condition.