The causes of enlarged labia minora can be divided into physiological and pathological factors, physiological refers to congenital development problems, pathological factors include friction stimulation, trauma, infection, mosquito bites caused by the need to choose the treatment method according to the specific circumstances.1, physiological factors: female puberty estrogen levels rise, stimulating the labia minora to develop normally, but the result of the development of the different from person to person. The width of normal labia minora is within 2cm, some women may have enlarged labia minora, even beyond the labia majora, if there are no uncomfortable symptoms do not need to deal with. However, over-enlargement of the labia minora may cause various problems, such as walking friction pain, sexual intercourse obstacles, repeated vaginal inflammation, etc., requiring surgical correction; 2. Pathological factors: frequent sexual intercourse, masturbation, and wearing unsuitable underwear, walking friction and other stimuli can make the labia minora appear persistent redness, swelling, and pain, and then hyperplasia and hypertrophy, the need to improve the way of life, change the appropriate clothing, supplies, etc., generally do not need special treatment, hypertrophy of the labia minora. Generally, no special treatment is needed. When the enlarged labia minora cannot subside and affect life, surgery is needed. Vaginitis, vulvitis, urethritis, etc. cause redness, swelling and pain in the labia minora, accompanied by other symptoms, such as fever, abnormal leukorrhea, odor, vulvar itching, pain in urination, etc., and need to apply antibiotics to treat the initial inflammation, and generally the inflammation disappears, and the labia minora can be restored. If long-term inflammation can lead to permanent hypertrophy of the labia minora under stimulation, surgical treatment is required. It should be noted that, if the labia minora hypertrophy plastic surgery, you can take a flat position to rest after surgery to reduce postoperative edema and pain.