There are many reasons for the redness, swelling and itching of girls’ private parts, such as local skin uncleanness and other physiological factors, or pubic lice disease, bacterial vaginosis, vulvar eczema and other pathological factors. Physiological reasons need to pay attention to clean pubic skin, pathological factors should be based on different causes, the use of different ointment treatment, can be used separately tincture, clindamycin ointment, tacrolimus ointment, etc. for treatment. 1. Pubic lice disease: If there is intense itching in the pubic hair area, severe at night, scattered red papules, sometimes visible on the pubic hair adhering to the gray-white sand-like particles and other manifestations of pubic lice disease, can be used tincture of Bacitracin, or benzyl benzoate gel, such as the treatment of lice. 2. Bacterial vaginosis: If the vulva is itchy, red, swollen or burning sensation, pain, accompanied by abnormal vaginal discharge, vaginal discomfort and other symptoms of vaginitis, you can use topical antibacterial treatment such as clindamycin ointment. 3. Vulvovaginal eczema: If vulvar recurrence of erythema, papules, blisters or vesicles, oozing, hypertrophy and other symptoms of vulvar eczema, can be used externally with 0.03% tacrolimus ointment, but be careful not to be used on the broken places, so as not to cause localized burning and stinging. If there are other symptoms such as itching, redness and swelling of the private parts, it is recommended to go to the hospital in a timely manner, to clarify the cause of the disease, if necessary, oral medication, should be used under the guidance of a doctor, avoid self-selected drugs.