Female external lips generally refers to female external labia, one side of the hard bumps itch may be caused by vulvar folliculitis, vulvar cysts, warts and other diseases, need to cooperate with the doctor for life care, medication, physical therapy, surgical treatment and other ways to intervene. 1. Vulvar folliculitis: If the hair follicles at the vulvar lips are infected with bacteria, the body may develop vulvar folliculitis, which manifests itself as the symptom of itchy hard pimples on one side of the vulvar lips of a woman. At this time, patients need to pay attention to the vulva clean, but also under the guidance of the doctor to use mupirocin ointment, erythromycin ointment and other anti-inflammatory drugs for treatment. 2. Vulvar cysts: Vulvar cysts are generally triggered by the sebaceous glands at the hair follicles that are blocked by the ducts, which can also lead to hard and itchy pimples on the lips of the vulva. If the vulvar cyst is infected, you need to cooperate with the doctor as soon as possible for surgical removal to reduce the impact on the body. 3. Acute warts: Acute warts will make the patient’s vulvar lips produce cauliflower-like warts, then there will be itching symptoms. Patients need to under the guidance of the doctor on the warts of laser, freezing and other physical therapy or surgical treatment, but also pay attention to the test results in the positive, do not have sex, or may be infected to other people. If a woman has abnormal symptoms on her labia, she should go to the hospital as soon as possible to have a checkup and follow the doctor’s instructions, otherwise the condition may worsen because of the delayed treatment.