An Applied Study on the Use of Stone Needles Therapy to Assist the Rehabilitation of Maternal Diastasis Rectus Abdominis Based on the Theory of Belt Channel

Inclusion Criteria: 1. patients who meet the diagnostic criteria of postpartum rectus abdominis muscle separation, and the distance of rectus abdominis muscle separation is ≥3.0cm with postpartum low back pain. 2. Patients who are \>42d postpartum and have cleaned up their discharge; 3. Women who are 42day-3 mouths after normal delivery; 4. Postpartum women who have not received any other treatment before treatment in our hospital; Exclusion Criteria: 1. With severe parenchymal organ diseases such as renal, cardiac, or hepatic diseases or due to comorbid cognitive impairment, Alzheimer's disease or psychological or psychiatric diseases can not complete the cooperation, etc; 2. Those with contraindications to stone therapy; 3. Those with contraindications to bioelectric stimulation therapy. 4. Combined with puerperal infection and gastrointestinal adhesion; 5. Patients with postpartum back pain due to other reasons such as lumbar disc herniation or kidney stones; 6. Patients who cannot tolerate the program;