High muscle tone of the pelvic floor muscles may be caused by a woman’s childbirth, exposure to cold and other reasons. 1. Female childbirth: women who give birth to normal labor, due to excessive muscle exertion, reactive contraction, so it may lead to high pelvic floor muscle tone, in general, this situation will slowly disappear with the end of labor, without special treatment, but if urinary incontinence, uterine prolapse and other symptoms, we should go to the hospital in a timely manner, and standardize the treatment under the guidance of the doctor. 2. Cold: Spasmodic contraction of the pelvic floor muscles caused by cold may lead to high pelvic floor muscle tone, it is recommended to pay attention to keep warm. Pelvic floor muscle tone, if usually no discomfort symptoms, generally do not need treatment, if there is obvious discomfort, we should go to the hospital in a timely manner, under the guidance of the doctor to standardize the treatment, it is recommended to adhere to the moderate sports, pay attention to cold and warmth.