Consider the possibility of labia minora hypertrophy, which is related to genetic factors, obesity, external stimuli and other factors. Some women are born with large labia minora, which is caused by genes. If a woman is too obese, usually walking often friction, long-term stimulation of the vulva is easy to appear labia minora hypertrophy. If the vaginal secretion long-term stimulation, such as vaginitis, vulvitis, will also appear labia large situation. If the labia are unusually large and cause serious problems in normal life, such as recurrent vulvodynia, vulvar pain, or even interfere with daily activities, it is advisable to consider labiaplasty. In normal times, try to minimize the stimulation to the labia area, so as not to stimulate the labia for a long time to cause the labia to become bigger. It is recommended to choose cotton loose, breathable underwear and pants, vulvar and vaginal inflammation timely treatment, to reduce the continuous stimulation of the vulva.