Private parts generally refer to the perineum. Red bumps on women’s perineum may be caused by eczema, vulvar folliculitis, vulvar boils and so on. 1. Eczema: the cause of vulvar eczema is still unclear, and it is considered to be related to heredity, mental factors and other reasons. The patient’s lesion area will appear papules, papules, erythema, blisters, itching and other manifestations. Therefore, women with eczema in the perineum will have the symptom of red bumps. 2. Vulvar folliculitis: vulvar folliculitis may be caused by bacterial infections such as Staphylococcus aureus and Staphylococcus epidermidis. Patients appear around the hair follicle redness, swelling, pain, white pus head and other manifestations. If female patients have vulvar folliculitis in the perineum, it will show the symptom of red bumps. 3. Vulvovaginal boils: Vulvovaginal boils are considered to be caused by pathogens such as Staphylococcus aureus infection. Patients will have red hard nodules around the follicular opening, swelling, and enlarged lymph nodes in the groin. If female patients have vulvar boils on the perineum, they will have red bumps. 4. Other: female patients with perineal warts, vestibular gland cysts and other diseases will also have symptoms of localized red bumps. It is recommended that female patients with red bumps on the perineum need to consult a doctor in time, and the doctor will choose the appropriate treatment according to the cause of the disease.