The best time for postpartum pelvic floor repair is about 42 days after delivery. You can do pelvic floor exercise by consciously contracting the vagina, just like when you urinate, the urine flow stops consciously and you continue to urinate when you relax. Exercise continuously for about five minutes. Anal contraction, consciously contracting the pelvic floor muscles mainly levator ani. The specific method is to tighten the anus and vagina repeatedly, relax for not less than three seconds after each contraction, and do it 150 ~ 200 times a day. Generally, the effect is obvious about three months.