Pelvic floor muscle relaxation, decreased elasticity leading to vaginal laxity, is a very common situation for women after giving birth to a baby, vaginal laxity repair, can be accomplished mainly through the following aspects: First, do the anal contraction exercise, that is, usually referred to as the Kegel exercise, this movement is not subject to the venue time constraints, at any time can be done, the specific practice is to forcefully contraction of the anus, hold for 3-5 seconds and then relax. The specific practice is to forcefully contract the anus, hold for 3-5 seconds and then relax, so repeatedly do, each time 3-5 minutes, can increase the anus muscle and pelvic floor muscle contraction force. Secondly, to repair the pelvic floor, we should go to the professional postnatal rehabilitation institution or the pelvic floor rehabilitation center in the hospital, through the instrument electrotherapy and other methods to promote the repair of the pelvic floor function, so that the pelvic floor muscle contraction function is gradually restored to the state before giving birth to a baby. Thirdly, patients with severe vaginal laxity, accompanied by uterine prolapse symptoms, need to be treated through surgical methods, such as repair of the anterior and posterior walls of the vagina, as well as ligament suspension surgery.