The hair below the female does not need to be trimmed, because this part of the pubic hair can prevent the female vulva skin from being attacked by bacteria or viruses, because the presence of these bacterial attacks, the pubic hair itself can play a blocking role. In addition, this part of the pubic hair can also prevent damage to the skin of women during sexual intercourse, because the friction of sexual intercourse can easily lead to skin damage, pubic hair padding there can play a blocking role, so women normally do not need to trim the pubic hair, but if you find women with long pubic hair parts itchy, hospital examination found to have pubic lice, such pathological cases need to shave all the pubic hair.