The vulva changes after childbirth, the color of vulva will appear local darkening, this is because of the hormonal changes in the body after pregnancy caused by vulvar pigmentation, also easy to cause local skin relaxation, because the fetus through the birth canal during childbirth caused local muscle tissue rupture, some childbirth when the fetus is too big will cause vulvar tear or vulvar lateral incision, etc., easy to cause local scar growth. Before childbirth, the labia are closed, and after childbirth, the labia will be separated, which are all symptoms caused by postpartum. After delivery, you need to take reasonable care of your vulva, usually wash it with warm water, don’t have sex too often to prevent gynecological infections, underwear should be washed with boiling water and then exposed to the sun to prevent gynecological inflammation, pay attention to proper exercise, it is recommended to do more anal lifting exercises to improve the phenomenon of vaginal laxity.