Based on the theory of postpartum deficiency and stasis, this study explores the impact of "Yi Qi Fu Jiu Jiu Zhen Fa" on the recovery of uterine involution after cesarean section

INTERVENTION: Experimental group:Acupuncture;Control Group:Routine care; CONDITION: Postpartum uterine involution dysfunction PRIMARY OUTCOME: Pelvic ultrasound at 42 days postpartum.; INCLUSION CRITERIA: 1) Women aged 25‐35 years, scheduled for cesarean delivery; 2) Singleton, full‐term pregnancy, without underlying diseases or pregnancy complications; 3) All underwent a transverse lower segment uterine incision, with intraoperative blood loss <400 mL; 4) Neonatal Apgar score of 8‐10; 5) Meet the diagnostic criteria for qi deficiency and blood stasis syndrome as outlined in "Gynecology in Traditional Chinese Medicine" and the "Guidelines for Clinical Research of NewDrugs (Trial Version)"; 6) Women without cognitive impairments, with good compliance, who agree to receive treatment in either the experimental or control group and have signed the informed consent form, with postpartum conditions allowing telephone follow‐up and the ability to return to the hospital for follow‐up at 42 days post‐operation. Only those who fully meet the above criteria may be enrolled as subjects