Darkening of the perineum is usually referred to as darkening of the perineum, which is mostly due to genetics, hormone secretion, or sexual life, etc., causing increased pigmentation. As the perineum is a private area, a simple darkening of the perineum will not cause other diseases, so patients do not need to worry too much. At present, there is no safe and effective measures to whiten the perineum, but patients can try the following methods to avoid the degree of blackening of the perineum continues to increase: 1, regular cleaning: patients should pay attention to the perineum when taking a bath to clean the perineum, outside of the menstrual period of time can be used to wash the perineum with clean, warm water localization; 2, applying body lotion: after the patient will be dry after the bath, perineum drying, you can use vitamin E milk in the surrounding skin, Aloe vera gel and other products for coating. However, it should be noted that, try to avoid the position of the urethra or vaginal opening; 3, other: perineal pigmentation may be related to local friction, the patient can try to wear soft, cotton, loose underwear, to reduce the friction on the perineum. In addition, sex hormone secretion disorders may also lead to darkening of the perineum, patients need to maintain good living habits, timely relief of bad moods, to ensure the normal secretion of hormones. The darkening of the perineum usually does not spontaneously turn white, if the perineum suddenly turns white, we need to be vigilant about the existence of local lesions. Patients should also pay attention to the daily period of time to change underwear, after sex in a timely manner to carry out the private parts of the clean, dry perineum, so as to avoid inducing other reproductive system diseases.